Home / 16,869.20-25,306.49-8,545.84

Finding the Fourth Proportional to 16,869.20, 25,306.49 and 8,545.84

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Solution

The fourth proportional to 16,869.20, 25,306.49 and 8,545.84 is: 12,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.20 : 25,306.49 = 8,545.84 : x
  2. Step 2: Convert to fraction form
    16,869.20/25,306.49 = 8,545.84/x
  3. Step 3: Cross multiply
    16,869.20x = 25,306.49 × 8,545.84
  4. Step 4: Simplify right side
    16,869.20x = 216,265,172.60
  5. Step 5: Solve for x
    x = 216,265,172.60/16,869.20
  6. Step 6: Final answer
    x = 12,820.12

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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.