Home / 22,919.81-34,385.10-7,124.04

Finding the Fourth Proportional to 22,919.81, 34,385.10 and 7,124.04

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Solution

The fourth proportional to 22,919.81, 34,385.10 and 7,124.04 is: 10,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.81 : 34,385.10 = 7,124.04 : x
  2. Step 2: Convert to fraction form
    22,919.81/34,385.10 = 7,124.04/x
  3. Step 3: Cross multiply
    22,919.81x = 34,385.10 × 7,124.04
  4. Step 4: Simplify right side
    22,919.81x = 244,960,827.80
  5. Step 5: Solve for x
    x = 244,960,827.80/22,919.81
  6. Step 6: Final answer
    x = 10,687.74

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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.