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Finding the Fourth Proportional to 17,955.71, 24,772.15 and 10,399.29

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Solution

The fourth proportional to 17,955.71, 24,772.15 and 10,399.29 is: 14,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.71 : 24,772.15 = 10,399.29 : x
  2. Step 2: Convert to fraction form
    17,955.71/24,772.15 = 10,399.29/x
  3. Step 3: Cross multiply
    17,955.71x = 24,772.15 × 10,399.29
  4. Step 4: Simplify right side
    17,955.71x = 257,612,691.88
  5. Step 5: Solve for x
    x = 257,612,691.88/17,955.71
  6. Step 6: Final answer
    x = 14,347.12

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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.