document.write( "Question 1118234: An ap consists 25 terms, of which 4th term is 4 and 22nd term is 5.what would be the 19th term? \n" ); document.write( "
Algebra.Com's Answer #733507 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
If common difference d, then from index 4 to index 22 is \"22-4=18\" of these d.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Term at index 4 is 4.
\n" ); document.write( "\"4%2B18d=5\"
\n" ); document.write( "\"18d=1\"\r
\n" ); document.write( "\n" ); document.write( "\"d=1%2F18\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "The general term of the progression is \"4%2Bd%2A%28n-1%29\" for common difference d and index n. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( "
\n" );