Home / 25,766.93-38,649.90-8,236.76

Finding the Fourth Proportional to 25,766.93, 38,649.90 and 8,236.76

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Solution

The fourth proportional to 25,766.93, 38,649.90 and 8,236.76 is: 12,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.93 : 38,649.90 = 8,236.76 : x
  2. Step 2: Convert to fraction form
    25,766.93/38,649.90 = 8,236.76/x
  3. Step 3: Cross multiply
    25,766.93x = 38,649.90 × 8,236.76
  4. Step 4: Simplify right side
    25,766.93x = 318,349,757.07
  5. Step 5: Solve for x
    x = 318,349,757.07/25,766.93
  6. Step 6: Final answer
    x = 12,354.98

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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.