Home / 22,909.20-34,356.76-7,322.64

Finding the Fourth Proportional to 22,909.20, 34,356.76 and 7,322.64

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Solution

The fourth proportional to 22,909.20, 34,356.76 and 7,322.64 is: 10,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.20 : 34,356.76 = 7,322.64 : x
  2. Step 2: Convert to fraction form
    22,909.20/34,356.76 = 7,322.64/x
  3. Step 3: Cross multiply
    22,909.20x = 34,356.76 × 7,322.64
  4. Step 4: Simplify right side
    22,909.20x = 251,582,185.05
  5. Step 5: Solve for x
    x = 251,582,185.05/22,909.20
  6. Step 6: Final answer
    x = 10,981.71

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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.