Home / 13,242.68-19,864.20-3,382.04

Finding the Fourth Proportional to 13,242.68, 19,864.20 and 3,382.04

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Solution

The fourth proportional to 13,242.68, 19,864.20 and 3,382.04 is: 5,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.68 : 19,864.20 = 3,382.04 : x
  2. Step 2: Convert to fraction form
    13,242.68/19,864.20 = 3,382.04/x
  3. Step 3: Cross multiply
    13,242.68x = 19,864.20 × 3,382.04
  4. Step 4: Simplify right side
    13,242.68x = 67,181,518.97
  5. Step 5: Solve for x
    x = 67,181,518.97/13,242.68
  6. Step 6: Final answer
    x = 5,073.11

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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.