Question 856370
Put in another variable in
place of the question mark
{{{ x/20 = y/12 }}}
Now multiply both sides by {{{ 60 }}}
{{{ 3x = 5y }}}
Divide both sides by {{{ 5 }}}
{{{ y = (3/5)*x }}}
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So, the proportion is:
{{{ x/20 = ((3/5)*x) / 12 }}}