Home / 25,343.92-34,966.05-16,402.72

Finding the Fourth Proportional to 25,343.92, 34,966.05 and 16,402.72

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Solution

The fourth proportional to 25,343.92, 34,966.05 and 16,402.72 is: 22,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.92 : 34,966.05 = 16,402.72 : x
  2. Step 2: Convert to fraction form
    25,343.92/34,966.05 = 16,402.72/x
  3. Step 3: Cross multiply
    25,343.92x = 34,966.05 × 16,402.72
  4. Step 4: Simplify right side
    25,343.92x = 573,538,327.66
  5. Step 5: Solve for x
    x = 573,538,327.66/25,343.92
  6. Step 6: Final answer
    x = 22,630.21

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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.