Home / 18,375.12-27,543.60-10,468.08

Finding the Fourth Proportional to 18,375.12, 27,543.60 and 10,468.08

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Solution

The fourth proportional to 18,375.12, 27,543.60 and 10,468.08 is: 15,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.12 : 27,543.60 = 10,468.08 : x
  2. Step 2: Convert to fraction form
    18,375.12/27,543.60 = 10,468.08/x
  3. Step 3: Cross multiply
    18,375.12x = 27,543.60 × 10,468.08
  4. Step 4: Simplify right side
    18,375.12x = 288,328,608.29
  5. Step 5: Solve for x
    x = 288,328,608.29/18,375.12
  6. Step 6: Final answer
    x = 15,691.25

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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.