Home / 15,998.20-22,077.08-9,192.04

Finding the Fourth Proportional to 15,998.20, 22,077.08 and 9,192.04

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Solution

The fourth proportional to 15,998.20, 22,077.08 and 9,192.04 is: 12,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.20 : 22,077.08 = 9,192.04 : x
  2. Step 2: Convert to fraction form
    15,998.20/22,077.08 = 9,192.04/x
  3. Step 3: Cross multiply
    15,998.20x = 22,077.08 × 9,192.04
  4. Step 4: Simplify right side
    15,998.20x = 202,933,402.44
  5. Step 5: Solve for x
    x = 202,933,402.44/15,998.20
  6. Step 6: Final answer
    x = 12,684.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.