Home / 18,380.66-27,575.61-5,901.80

Finding the Fourth Proportional to 18,380.66, 27,575.61 and 5,901.80

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Solution

The fourth proportional to 18,380.66, 27,575.61 and 5,901.80 is: 8,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.66 : 27,575.61 = 5,901.80 : x
  2. Step 2: Convert to fraction form
    18,380.66/27,575.61 = 5,901.80/x
  3. Step 3: Cross multiply
    18,380.66x = 27,575.61 × 5,901.80
  4. Step 4: Simplify right side
    18,380.66x = 162,745,735.10
  5. Step 5: Solve for x
    x = 162,745,735.10/18,380.66
  6. Step 6: Final answer
    x = 8,854.18

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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.