Home / 25,771.32-38,661.78-8,245.56

Finding the Fourth Proportional to 25,771.32, 38,661.78 and 8,245.56

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Solution

The fourth proportional to 25,771.32, 38,661.78 and 8,245.56 is: 12,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.32 : 38,661.78 = 8,245.56 : x
  2. Step 2: Convert to fraction form
    25,771.32/38,661.78 = 8,245.56/x
  3. Step 3: Cross multiply
    25,771.32x = 38,661.78 × 8,245.56
  4. Step 4: Simplify right side
    25,771.32x = 318,788,026.70
  5. Step 5: Solve for x
    x = 318,788,026.70/25,771.32
  6. Step 6: Final answer
    x = 12,369.88

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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.