Home / 22,909.88-34,355.10-8,122.52

Finding the Fourth Proportional to 22,909.88, 34,355.10 and 8,122.52

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Solution

The fourth proportional to 22,909.88, 34,355.10 and 8,122.52 is: 12,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.88 : 34,355.10 = 8,122.52 : x
  2. Step 2: Convert to fraction form
    22,909.88/34,355.10 = 8,122.52/x
  3. Step 3: Cross multiply
    22,909.88x = 34,355.10 × 8,122.52
  4. Step 4: Simplify right side
    22,909.88x = 279,049,986.85
  5. Step 5: Solve for x
    x = 279,049,986.85/22,909.88
  6. Step 6: Final answer
    x = 12,180.33

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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.