Home / 25,704.32-38,559.66-12,546.75

Finding the Fourth Proportional to 25,704.32, 38,559.66 and 12,546.75

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Solution

The fourth proportional to 25,704.32, 38,559.66 and 12,546.75 is: 18,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.32 : 38,559.66 = 12,546.75 : x
  2. Step 2: Convert to fraction form
    25,704.32/38,559.66 = 12,546.75/x
  3. Step 3: Cross multiply
    25,704.32x = 38,559.66 × 12,546.75
  4. Step 4: Simplify right side
    25,704.32x = 483,798,414.11
  5. Step 5: Solve for x
    x = 483,798,414.11/25,704.32
  6. Step 6: Final answer
    x = 18,821.68

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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.