Home / 22,821.66-34,204.23-12,930.95

Finding the Fourth Proportional to 22,821.66, 34,204.23 and 12,930.95

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Solution

The fourth proportional to 22,821.66, 34,204.23 and 12,930.95 is: 19,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.66 : 34,204.23 = 12,930.95 : x
  2. Step 2: Convert to fraction form
    22,821.66/34,204.23 = 12,930.95/x
  3. Step 3: Cross multiply
    22,821.66x = 34,204.23 × 12,930.95
  4. Step 4: Simplify right side
    22,821.66x = 442,293,273.43
  5. Step 5: Solve for x
    x = 442,293,273.43/22,821.66
  6. Step 6: Final answer
    x = 19,380.42

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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.