Home / 22,447.12-30,977.24-12,375.95

Finding the Fourth Proportional to 22,447.12, 30,977.24 and 12,375.95

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Solution

The fourth proportional to 22,447.12, 30,977.24 and 12,375.95 is: 17,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.12 : 30,977.24 = 12,375.95 : x
  2. Step 2: Convert to fraction form
    22,447.12/30,977.24 = 12,375.95/x
  3. Step 3: Cross multiply
    22,447.12x = 30,977.24 × 12,375.95
  4. Step 4: Simplify right side
    22,447.12x = 383,372,711.50
  5. Step 5: Solve for x
    x = 383,372,711.50/22,447.12
  6. Step 6: Final answer
    x = 17,078.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.