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Finding the Fourth Proportional to 16,776.82, 25,144.17 and 14,691.88

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Solution

The fourth proportional to 16,776.82, 25,144.17 and 14,691.88 is: 22,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.82 : 25,144.17 = 14,691.88 : x
  2. Step 2: Convert to fraction form
    16,776.82/25,144.17 = 14,691.88/x
  3. Step 3: Cross multiply
    16,776.82x = 25,144.17 × 14,691.88
  4. Step 4: Simplify right side
    16,776.82x = 369,415,128.34
  5. Step 5: Solve for x
    x = 369,415,128.34/16,776.82
  6. Step 6: Final answer
    x = 22,019.38

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1.5x scale

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.