Home / 25,842.20-38,738.69-8,299.73

Finding the Fourth Proportional to 25,842.20, 38,738.69 and 8,299.73

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Solution

The fourth proportional to 25,842.20, 38,738.69 and 8,299.73 is: 12,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.20 : 38,738.69 = 8,299.73 : x
  2. Step 2: Convert to fraction form
    25,842.20/38,738.69 = 8,299.73/x
  3. Step 3: Cross multiply
    25,842.20x = 38,738.69 × 8,299.73
  4. Step 4: Simplify right side
    25,842.20x = 321,520,591.46
  5. Step 5: Solve for x
    x = 321,520,591.46/25,842.20
  6. Step 6: Final answer
    x = 12,441.69

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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.