Home / 22,704.72-34,064.28-12,310.80

Finding the Fourth Proportional to 22,704.72, 34,064.28 and 12,310.80

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Solution

The fourth proportional to 22,704.72, 34,064.28 and 12,310.80 is: 18,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.72 : 34,064.28 = 12,310.80 : x
  2. Step 2: Convert to fraction form
    22,704.72/34,064.28 = 12,310.80/x
  3. Step 3: Cross multiply
    22,704.72x = 34,064.28 × 12,310.80
  4. Step 4: Simplify right side
    22,704.72x = 419,358,538.22
  5. Step 5: Solve for x
    x = 419,358,538.22/22,704.72
  6. Step 6: Final answer
    x = 18,470.10

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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.