Home / 18,932.90-26,126.82-11,863.22

Finding the Fourth Proportional to 18,932.90, 26,126.82 and 11,863.22

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Solution

The fourth proportional to 18,932.90, 26,126.82 and 11,863.22 is: 16,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.90 : 26,126.82 = 11,863.22 : x
  2. Step 2: Convert to fraction form
    18,932.90/26,126.82 = 11,863.22/x
  3. Step 3: Cross multiply
    18,932.90x = 26,126.82 × 11,863.22
  4. Step 4: Simplify right side
    18,932.90x = 309,948,213.56
  5. Step 5: Solve for x
    x = 309,948,213.56/18,932.90
  6. Step 6: Final answer
    x = 16,370.88

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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.