Home / 18,149.28-27,220.20-5,667.60

Finding the Fourth Proportional to 18,149.28, 27,220.20 and 5,667.60

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Solution

The fourth proportional to 18,149.28, 27,220.20 and 5,667.60 is: 8,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.28 : 27,220.20 = 5,667.60 : x
  2. Step 2: Convert to fraction form
    18,149.28/27,220.20 = 5,667.60/x
  3. Step 3: Cross multiply
    18,149.28x = 27,220.20 × 5,667.60
  4. Step 4: Simplify right side
    18,149.28x = 154,273,205.52
  5. Step 5: Solve for x
    x = 154,273,205.52/18,149.28
  6. Step 6: Final answer
    x = 8,500.24

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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.