Home / 25,279.12-37,951.49-19,439.83

Finding the Fourth Proportional to 25,279.12, 37,951.49 and 19,439.83

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Solution

The fourth proportional to 25,279.12, 37,951.49 and 19,439.83 is: 29,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.12 : 37,951.49 = 19,439.83 : x
  2. Step 2: Convert to fraction form
    25,279.12/37,951.49 = 19,439.83/x
  3. Step 3: Cross multiply
    25,279.12x = 37,951.49 × 19,439.83
  4. Step 4: Simplify right side
    25,279.12x = 737,770,513.85
  5. Step 5: Solve for x
    x = 737,770,513.85/25,279.12
  6. Step 6: Final answer
    x = 29,184.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.