Home / 25,190.12-34,761.83-13,704.73

Finding the Fourth Proportional to 25,190.12, 34,761.83 and 13,704.73

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Solution

The fourth proportional to 25,190.12, 34,761.83 and 13,704.73 is: 18,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.12 : 34,761.83 = 13,704.73 : x
  2. Step 2: Convert to fraction form
    25,190.12/34,761.83 = 13,704.73/x
  3. Step 3: Cross multiply
    25,190.12x = 34,761.83 × 13,704.73
  4. Step 4: Simplify right side
    25,190.12x = 476,401,252.12
  5. Step 5: Solve for x
    x = 476,401,252.12/25,190.12
  6. Step 6: Final answer
    x = 18,912.23

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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.