Home / 22,839.91-34,211.25-12,974.11

Finding the Fourth Proportional to 22,839.91, 34,211.25 and 12,974.11

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Solution

The fourth proportional to 22,839.91, 34,211.25 and 12,974.11 is: 19,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.91 : 34,211.25 = 12,974.11 : x
  2. Step 2: Convert to fraction form
    22,839.91/34,211.25 = 12,974.11/x
  3. Step 3: Cross multiply
    22,839.91x = 34,211.25 × 12,974.11
  4. Step 4: Simplify right side
    22,839.91x = 443,860,435.21
  5. Step 5: Solve for x
    x = 443,860,435.21/22,839.91
  6. Step 6: Final answer
    x = 19,433.55

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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.