Home / 25,877.22-38,818.17-11,082.78

Finding the Fourth Proportional to 25,877.22, 38,818.17 and 11,082.78

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Solution

The fourth proportional to 25,877.22, 38,818.17 and 11,082.78 is: 16,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.22 : 38,818.17 = 11,082.78 : x
  2. Step 2: Convert to fraction form
    25,877.22/38,818.17 = 11,082.78/x
  3. Step 3: Cross multiply
    25,877.22x = 38,818.17 × 11,082.78
  4. Step 4: Simplify right side
    25,877.22x = 430,213,238.11
  5. Step 5: Solve for x
    x = 430,213,238.11/25,877.22
  6. Step 6: Final answer
    x = 16,625.17

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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.