Home / 14,545.17-21,819.84-5,658.78

Finding the Fourth Proportional to 14,545.17, 21,819.84 and 5,658.78

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Solution

The fourth proportional to 14,545.17, 21,819.84 and 5,658.78 is: 8,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.17 : 21,819.84 = 5,658.78 : x
  2. Step 2: Convert to fraction form
    14,545.17/21,819.84 = 5,658.78/x
  3. Step 3: Cross multiply
    14,545.17x = 21,819.84 × 5,658.78
  4. Step 4: Simplify right side
    14,545.17x = 123,473,674.20
  5. Step 5: Solve for x
    x = 123,473,674.20/14,545.17
  6. Step 6: Final answer
    x = 8,488.98

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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.