Home / 18,221.52-27,330.12-5,741.04

Finding the Fourth Proportional to 18,221.52, 27,330.12 and 5,741.04

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Solution

The fourth proportional to 18,221.52, 27,330.12 and 5,741.04 is: 8,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.52 : 27,330.12 = 5,741.04 : x
  2. Step 2: Convert to fraction form
    18,221.52/27,330.12 = 5,741.04/x
  3. Step 3: Cross multiply
    18,221.52x = 27,330.12 × 5,741.04
  4. Step 4: Simplify right side
    18,221.52x = 156,903,312.12
  5. Step 5: Solve for x
    x = 156,903,312.12/18,221.52
  6. Step 6: Final answer
    x = 8,610.88

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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.