Home / 22,447.11-30,977.23-12,375.94

Finding the Fourth Proportional to 22,447.11, 30,977.23 and 12,375.94

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Solution

The fourth proportional to 22,447.11, 30,977.23 and 12,375.94 is: 17,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.11 : 30,977.23 = 12,375.94 : x
  2. Step 2: Convert to fraction form
    22,447.11/30,977.23 = 12,375.94/x
  3. Step 3: Cross multiply
    22,447.11x = 30,977.23 × 12,375.94
  4. Step 4: Simplify right side
    22,447.11x = 383,372,339.85
  5. Step 5: Solve for x
    x = 383,372,339.85/22,447.11
  6. Step 6: Final answer
    x = 17,078.92

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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.