Home / 20,204.68-27,882.12-11,252.04

Finding the Fourth Proportional to 20,204.68, 27,882.12 and 11,252.04

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Solution

The fourth proportional to 20,204.68, 27,882.12 and 11,252.04 is: 15,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.68 : 27,882.12 = 11,252.04 : x
  2. Step 2: Convert to fraction form
    20,204.68/27,882.12 = 11,252.04/x
  3. Step 3: Cross multiply
    20,204.68x = 27,882.12 × 11,252.04
  4. Step 4: Simplify right side
    20,204.68x = 313,730,729.52
  5. Step 5: Solve for x
    x = 313,730,729.52/20,204.68
  6. Step 6: Final answer
    x = 15,527.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.