Home / 25,337.88-34,951.32-15,890.04

Finding the Fourth Proportional to 25,337.88, 34,951.32 and 15,890.04

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Solution

The fourth proportional to 25,337.88, 34,951.32 and 15,890.04 is: 21,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.88 : 34,951.32 = 15,890.04 : x
  2. Step 2: Convert to fraction form
    25,337.88/34,951.32 = 15,890.04/x
  3. Step 3: Cross multiply
    25,337.88x = 34,951.32 × 15,890.04
  4. Step 4: Simplify right side
    25,337.88x = 555,377,872.85
  5. Step 5: Solve for x
    x = 555,377,872.85/25,337.88
  6. Step 6: Final answer
    x = 21,918.88

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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.