Home / 18,280.72-27,422.04-5,801.70

Finding the Fourth Proportional to 18,280.72, 27,422.04 and 5,801.70

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Solution

The fourth proportional to 18,280.72, 27,422.04 and 5,801.70 is: 8,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.72 : 27,422.04 = 5,801.70 : x
  2. Step 2: Convert to fraction form
    18,280.72/27,422.04 = 5,801.70/x
  3. Step 3: Cross multiply
    18,280.72x = 27,422.04 × 5,801.70
  4. Step 4: Simplify right side
    18,280.72x = 159,094,449.47
  5. Step 5: Solve for x
    x = 159,094,449.47/18,280.72
  6. Step 6: Final answer
    x = 8,702.85

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Similar ratio
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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.