Home / 22,908.88-34,353.60-8,121.52

Finding the Fourth Proportional to 22,908.88, 34,353.60 and 8,121.52

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Solution

The fourth proportional to 22,908.88, 34,353.60 and 8,121.52 is: 12,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.88 : 34,353.60 = 8,121.52 : x
  2. Step 2: Convert to fraction form
    22,908.88/34,353.60 = 8,121.52/x
  3. Step 3: Cross multiply
    22,908.88x = 34,353.60 × 8,121.52
  4. Step 4: Simplify right side
    22,908.88x = 279,003,449.47
  5. Step 5: Solve for x
    x = 279,003,449.47/22,908.88
  6. Step 6: Final answer
    x = 12,178.83

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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.