Home / 25,270.50-34,872.57-13,940.04

Finding the Fourth Proportional to 25,270.50, 34,872.57 and 13,940.04

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Solution

The fourth proportional to 25,270.50, 34,872.57 and 13,940.04 is: 19,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.50 : 34,872.57 = 13,940.04 : x
  2. Step 2: Convert to fraction form
    25,270.50/34,872.57 = 13,940.04/x
  3. Step 3: Cross multiply
    25,270.50x = 34,872.57 × 13,940.04
  4. Step 4: Simplify right side
    25,270.50x = 486,125,020.70
  5. Step 5: Solve for x
    x = 486,125,020.70/25,270.50
  6. Step 6: Final answer
    x = 19,236.86

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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.