Home / 22,197.92-30,633.24-12,126.56

Finding the Fourth Proportional to 22,197.92, 30,633.24 and 12,126.56

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Solution

The fourth proportional to 22,197.92, 30,633.24 and 12,126.56 is: 16,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.92 : 30,633.24 = 12,126.56 : x
  2. Step 2: Convert to fraction form
    22,197.92/30,633.24 = 12,126.56/x
  3. Step 3: Cross multiply
    22,197.92x = 30,633.24 × 12,126.56
  4. Step 4: Simplify right side
    22,197.92x = 371,475,822.85
  5. Step 5: Solve for x
    x = 371,475,822.85/22,197.92
  6. Step 6: Final answer
    x = 16,734.71

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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.