Home / 22,724.79-34,092.57-7,142.43

Finding the Fourth Proportional to 22,724.79, 34,092.57 and 7,142.43

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Solution

The fourth proportional to 22,724.79, 34,092.57 and 7,142.43 is: 10,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.79 : 34,092.57 = 7,142.43 : x
  2. Step 2: Convert to fraction form
    22,724.79/34,092.57 = 7,142.43/x
  3. Step 3: Cross multiply
    22,724.79x = 34,092.57 × 7,142.43
  4. Step 4: Simplify right side
    22,724.79x = 243,503,794.75
  5. Step 5: Solve for x
    x = 243,503,794.75/22,724.79
  6. Step 6: Final answer
    x = 10,715.34

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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.