Home / 13,834.19-20,752.66-3,974.92

Finding the Fourth Proportional to 13,834.19, 20,752.66 and 3,974.92

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Solution

The fourth proportional to 13,834.19, 20,752.66 and 3,974.92 is: 5,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.19 : 20,752.66 = 3,974.92 : x
  2. Step 2: Convert to fraction form
    13,834.19/20,752.66 = 3,974.92/x
  3. Step 3: Cross multiply
    13,834.19x = 20,752.66 × 3,974.92
  4. Step 4: Simplify right side
    13,834.19x = 82,490,210.75
  5. Step 5: Solve for x
    x = 82,490,210.75/13,834.19
  6. Step 6: Final answer
    x = 5,962.78

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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.