Home / 18,976.41-26,177.11-11,418.19

Finding the Fourth Proportional to 18,976.41, 26,177.11 and 11,418.19

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Solution

The fourth proportional to 18,976.41, 26,177.11 and 11,418.19 is: 15,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.41 : 26,177.11 = 11,418.19 : x
  2. Step 2: Convert to fraction form
    18,976.41/26,177.11 = 11,418.19/x
  3. Step 3: Cross multiply
    18,976.41x = 26,177.11 × 11,418.19
  4. Step 4: Simplify right side
    18,976.41x = 298,895,207.31
  5. Step 5: Solve for x
    x = 298,895,207.31/18,976.41
  6. Step 6: Final answer
    x = 15,750.88

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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.