Write the Sentence as a Proportion Using $x$ As the Variable, and Then Solve to Answer the Question

Short Answer

Write the sentence as a proportion using $x$ as the variable, and then solve to answer the question. What number is 150% of 18? Enter $x$ and integers. $$\frac { ? } { ? } = \frac { ? } { 100 }$$ Solve the proportion to answer the question. $$x =$$ __________