Home / 19,614.18-29,418.17-8,517.89

Finding the Fourth Proportional to 19,614.18, 29,418.17 and 8,517.89

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Solution

The fourth proportional to 19,614.18, 29,418.17 and 8,517.89 is: 12,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.18 : 29,418.17 = 8,517.89 : x
  2. Step 2: Convert to fraction form
    19,614.18/29,418.17 = 8,517.89/x
  3. Step 3: Cross multiply
    19,614.18x = 29,418.17 × 8,517.89
  4. Step 4: Simplify right side
    19,614.18x = 250,580,767.02
  5. Step 5: Solve for x
    x = 250,580,767.02/19,614.18
  6. Step 6: Final answer
    x = 12,775.49

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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.