Home / 18,734.22-28,102.55-5,587.92

Finding the Fourth Proportional to 18,734.22, 28,102.55 and 5,587.92

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Solution

The fourth proportional to 18,734.22, 28,102.55 and 5,587.92 is: 8,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.22 : 28,102.55 = 5,587.92 : x
  2. Step 2: Convert to fraction form
    18,734.22/28,102.55 = 5,587.92/x
  3. Step 3: Cross multiply
    18,734.22x = 28,102.55 × 5,587.92
  4. Step 4: Simplify right side
    18,734.22x = 157,034,773.26
  5. Step 5: Solve for x
    x = 157,034,773.26/18,734.22
  6. Step 6: Final answer
    x = 8,382.24

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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.