Home / 19,545.31-29,317.92-13,727.89

Finding the Fourth Proportional to 19,545.31, 29,317.92 and 13,727.89

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Solution

The fourth proportional to 19,545.31, 29,317.92 and 13,727.89 is: 20,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.31 : 29,317.92 = 13,727.89 : x
  2. Step 2: Convert to fraction form
    19,545.31/29,317.92 = 13,727.89/x
  3. Step 3: Cross multiply
    19,545.31x = 29,317.92 × 13,727.89
  4. Step 4: Simplify right side
    19,545.31x = 402,473,165.96
  5. Step 5: Solve for x
    x = 402,473,165.96/19,545.31
  6. Step 6: Final answer
    x = 20,591.80

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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.