Home / 16,487.12-24,701.76-13,731.52

Finding the Fourth Proportional to 16,487.12, 24,701.76 and 13,731.52

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Solution

The fourth proportional to 16,487.12, 24,701.76 and 13,731.52 is: 20,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.12 : 24,701.76 = 13,731.52 : x
  2. Step 2: Convert to fraction form
    16,487.12/24,701.76 = 13,731.52/x
  3. Step 3: Cross multiply
    16,487.12x = 24,701.76 × 13,731.52
  4. Step 4: Simplify right side
    16,487.12x = 339,192,711.48
  5. Step 5: Solve for x
    x = 339,192,711.48/16,487.12
  6. Step 6: Final answer
    x = 20,573.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.