Home / 17,270.96-23,851.32-13,538.48

Finding the Fourth Proportional to 17,270.96, 23,851.32 and 13,538.48

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Solution

The fourth proportional to 17,270.96, 23,851.32 and 13,538.48 is: 18,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.96 : 23,851.32 = 13,538.48 : x
  2. Step 2: Convert to fraction form
    17,270.96/23,851.32 = 13,538.48/x
  3. Step 3: Cross multiply
    17,270.96x = 23,851.32 × 13,538.48
  4. Step 4: Simplify right side
    17,270.96x = 322,910,618.79
  5. Step 5: Solve for x
    x = 322,910,618.79/17,270.96
  6. Step 6: Final answer
    x = 18,696.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.