Home / 17,908.88-24,711.60-9,951.20

Finding the Fourth Proportional to 17,908.88, 24,711.60 and 9,951.20

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Solution

The fourth proportional to 17,908.88, 24,711.60 and 9,951.20 is: 13,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.88 : 24,711.60 = 9,951.20 : x
  2. Step 2: Convert to fraction form
    17,908.88/24,711.60 = 9,951.20/x
  3. Step 3: Cross multiply
    17,908.88x = 24,711.60 × 9,951.20
  4. Step 4: Simplify right side
    17,908.88x = 245,910,073.92
  5. Step 5: Solve for x
    x = 245,910,073.92/17,908.88
  6. Step 6: Final answer
    x = 13,731.18

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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.