SOLUTION: The variable Z is directly proportional to X. When X is 17, Z has the value 119. What is the value of Z when X = 26

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Question 981959: The variable Z is directly proportional to X. When X is 17, Z has the value 119.
What is the value of Z when X = 26
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

if the variable Z is directly proportional to X, then there is a constant of proportionality k such that kX=Z
so, when X=17, Z=119, then
k%2A17=119
k=119%2F17
k=7
the value of Z when X+=+26 will be:
kX=Z
7%2A26=Z
Z=182