Home / 17,731.52-24,481.24-13,691.04

Finding the Fourth Proportional to 17,731.52, 24,481.24 and 13,691.04

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Solution

The fourth proportional to 17,731.52, 24,481.24 and 13,691.04 is: 18,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.52 : 24,481.24 = 13,691.04 : x
  2. Step 2: Convert to fraction form
    17,731.52/24,481.24 = 13,691.04/x
  3. Step 3: Cross multiply
    17,731.52x = 24,481.24 × 13,691.04
  4. Step 4: Simplify right side
    17,731.52x = 335,173,636.09
  5. Step 5: Solve for x
    x = 335,173,636.09/17,731.52
  6. Step 6: Final answer
    x = 18,902.70

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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.