Home / 22,197.98-30,633.66-12,126.85

Finding the Fourth Proportional to 22,197.98, 30,633.66 and 12,126.85

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Solution

The fourth proportional to 22,197.98, 30,633.66 and 12,126.85 is: 16,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.98 : 30,633.66 = 12,126.85 : x
  2. Step 2: Convert to fraction form
    22,197.98/30,633.66 = 12,126.85/x
  3. Step 3: Cross multiply
    22,197.98x = 30,633.66 × 12,126.85
  4. Step 4: Simplify right side
    22,197.98x = 371,489,723.19
  5. Step 5: Solve for x
    x = 371,489,723.19/22,197.98
  6. Step 6: Final answer
    x = 16,735.29

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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.