Home / 18,090.48-27,149.61-8,098.32

Finding the Fourth Proportional to 18,090.48, 27,149.61 and 8,098.32

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Solution

The fourth proportional to 18,090.48, 27,149.61 and 8,098.32 is: 12,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.48 : 27,149.61 = 8,098.32 : x
  2. Step 2: Convert to fraction form
    18,090.48/27,149.61 = 8,098.32/x
  3. Step 3: Cross multiply
    18,090.48x = 27,149.61 × 8,098.32
  4. Step 4: Simplify right side
    18,090.48x = 219,866,229.66
  5. Step 5: Solve for x
    x = 219,866,229.66/18,090.48
  6. Step 6: Final answer
    x = 12,153.70

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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.