Home / 16,814.43-25,221.57-5,127.61

Finding the Fourth Proportional to 16,814.43, 25,221.57 and 5,127.61

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Solution

The fourth proportional to 16,814.43, 25,221.57 and 5,127.61 is: 7,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.43 : 25,221.57 = 5,127.61 : x
  2. Step 2: Convert to fraction form
    16,814.43/25,221.57 = 5,127.61/x
  3. Step 3: Cross multiply
    16,814.43x = 25,221.57 × 5,127.61
  4. Step 4: Simplify right side
    16,814.43x = 129,326,374.55
  5. Step 5: Solve for x
    x = 129,326,374.55/16,814.43
  6. Step 6: Final answer
    x = 7,691.39

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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.