Home / 25,168.80-34,729.92-13,836.43

Finding the Fourth Proportional to 25,168.80, 34,729.92 and 13,836.43

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Solution

The fourth proportional to 25,168.80, 34,729.92 and 13,836.43 is: 19,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.80 : 34,729.92 = 13,836.43 : x
  2. Step 2: Convert to fraction form
    25,168.80/34,729.92 = 13,836.43/x
  3. Step 3: Cross multiply
    25,168.80x = 34,729.92 × 13,836.43
  4. Step 4: Simplify right side
    25,168.80x = 480,538,106.99
  5. Step 5: Solve for x
    x = 480,538,106.99/25,168.80
  6. Step 6: Final answer
    x = 19,092.61

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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.