Home / 13,226.66-19,839.92-3,366.08

Finding the Fourth Proportional to 13,226.66, 19,839.92 and 3,366.08

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Solution

The fourth proportional to 13,226.66, 19,839.92 and 3,366.08 is: 5,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.66 : 19,839.92 = 3,366.08 : x
  2. Step 2: Convert to fraction form
    13,226.66/19,839.92 = 3,366.08/x
  3. Step 3: Cross multiply
    13,226.66x = 19,839.92 × 3,366.08
  4. Step 4: Simplify right side
    13,226.66x = 66,782,757.91
  5. Step 5: Solve for x
    x = 66,782,757.91/13,226.66
  6. Step 6: Final answer
    x = 5,049.10

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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.