Home / 15,997.15-22,077.13-9,282.75

Finding the Fourth Proportional to 15,997.15, 22,077.13 and 9,282.75

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Solution

The fourth proportional to 15,997.15, 22,077.13 and 9,282.75 is: 12,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.15 : 22,077.13 = 9,282.75 : x
  2. Step 2: Convert to fraction form
    15,997.15/22,077.13 = 9,282.75/x
  3. Step 3: Cross multiply
    15,997.15x = 22,077.13 × 9,282.75
  4. Step 4: Simplify right side
    15,997.15x = 204,936,540.21
  5. Step 5: Solve for x
    x = 204,936,540.21/15,997.15
  6. Step 6: Final answer
    x = 12,810.82

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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.