Home / 18,191.52-27,288.44-5,712.04

Finding the Fourth Proportional to 18,191.52, 27,288.44 and 5,712.04

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Solution

The fourth proportional to 18,191.52, 27,288.44 and 5,712.04 is: 8,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.52 : 27,288.44 = 5,712.04 : x
  2. Step 2: Convert to fraction form
    18,191.52/27,288.44 = 5,712.04/x
  3. Step 3: Cross multiply
    18,191.52x = 27,288.44 × 5,712.04
  4. Step 4: Simplify right side
    18,191.52x = 155,872,660.82
  5. Step 5: Solve for x
    x = 155,872,660.82/18,191.52
  6. Step 6: Final answer
    x = 8,568.42

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1.5x scale

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.