Home / 20,198.16-27,863.89-14,233.11

Finding the Fourth Proportional to 20,198.16, 27,863.89 and 14,233.11

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Solution

The fourth proportional to 20,198.16, 27,863.89 and 14,233.11 is: 19,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.16 : 27,863.89 = 14,233.11 : x
  2. Step 2: Convert to fraction form
    20,198.16/27,863.89 = 14,233.11/x
  3. Step 3: Cross multiply
    20,198.16x = 27,863.89 × 14,233.11
  4. Step 4: Simplify right side
    20,198.16x = 396,589,811.40
  5. Step 5: Solve for x
    x = 396,589,811.40/20,198.16
  6. Step 6: Final answer
    x = 19,634.95

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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.