Home / 12,190.17-18,292.53-11,198.73

Finding the Fourth Proportional to 12,190.17, 18,292.53 and 11,198.73

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Solution

The fourth proportional to 12,190.17, 18,292.53 and 11,198.73 is: 16,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.17 : 18,292.53 = 11,198.73 : x
  2. Step 2: Convert to fraction form
    12,190.17/18,292.53 = 11,198.73/x
  3. Step 3: Cross multiply
    12,190.17x = 18,292.53 × 11,198.73
  4. Step 4: Simplify right side
    12,190.17x = 204,853,104.49
  5. Step 5: Solve for x
    x = 204,853,104.49/12,190.17
  6. Step 6: Final answer
    x = 16,804.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.