Home / 22,965.79-34,435.27-8,909.39

Finding the Fourth Proportional to 22,965.79, 34,435.27 and 8,909.39

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Solution

The fourth proportional to 22,965.79, 34,435.27 and 8,909.39 is: 13,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.79 : 34,435.27 = 8,909.39 : x
  2. Step 2: Convert to fraction form
    22,965.79/34,435.27 = 8,909.39/x
  3. Step 3: Cross multiply
    22,965.79x = 34,435.27 × 8,909.39
  4. Step 4: Simplify right side
    22,965.79x = 306,797,164.10
  5. Step 5: Solve for x
    x = 306,797,164.10/22,965.79
  6. Step 6: Final answer
    x = 13,358.88

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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.