Home / 26,691.41-36,834-15,361.13

Finding the Fourth Proportional to 26,691.41, 36,834 and 15,361.13

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Solution

The fourth proportional to 26,691.41, 36,834 and 15,361.13 is: 21,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.41 : 36,834 = 15,361.13 : x
  2. Step 2: Convert to fraction form
    26,691.41/36,834 = 15,361.13/x
  3. Step 3: Cross multiply
    26,691.41x = 36,834 × 15,361.13
  4. Step 4: Simplify right side
    26,691.41x = 565,811,862.42
  5. Step 5: Solve for x
    x = 565,811,862.42/26,691.41
  6. Step 6: Final answer
    x = 21,198.28

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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.