Home / 22,198.20-30,633.02-12,126.69

Finding the Fourth Proportional to 22,198.20, 30,633.02 and 12,126.69

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Solution

The fourth proportional to 22,198.20, 30,633.02 and 12,126.69 is: 16,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.20 : 30,633.02 = 12,126.69 : x
  2. Step 2: Convert to fraction form
    22,198.20/30,633.02 = 12,126.69/x
  3. Step 3: Cross multiply
    22,198.20x = 30,633.02 × 12,126.69
  4. Step 4: Simplify right side
    22,198.20x = 371,477,076.67
  5. Step 5: Solve for x
    x = 371,477,076.67/22,198.20
  6. Step 6: Final answer
    x = 16,734.56

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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.