Home / 22,928.43-34,363.89-12,398.04

Finding the Fourth Proportional to 22,928.43, 34,363.89 and 12,398.04

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Solution

The fourth proportional to 22,928.43, 34,363.89 and 12,398.04 is: 18,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.43 : 34,363.89 = 12,398.04 : x
  2. Step 2: Convert to fraction form
    22,928.43/34,363.89 = 12,398.04/x
  3. Step 3: Cross multiply
    22,928.43x = 34,363.89 × 12,398.04
  4. Step 4: Simplify right side
    22,928.43x = 426,044,882.78
  5. Step 5: Solve for x
    x = 426,044,882.78/22,928.43
  6. Step 6: Final answer
    x = 18,581.51

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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.