Home / 22,581.05-33,878.42-8,545.38

Finding the Fourth Proportional to 22,581.05, 33,878.42 and 8,545.38

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Solution

The fourth proportional to 22,581.05, 33,878.42 and 8,545.38 is: 12,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.05 : 33,878.42 = 8,545.38 : x
  2. Step 2: Convert to fraction form
    22,581.05/33,878.42 = 8,545.38/x
  3. Step 3: Cross multiply
    22,581.05x = 33,878.42 × 8,545.38
  4. Step 4: Simplify right side
    22,581.05x = 289,503,929.97
  5. Step 5: Solve for x
    x = 289,503,929.97/22,581.05
  6. Step 6: Final answer
    x = 12,820.66

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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.