Home / 25,961.28-38,956.50-10,380.12

Finding the Fourth Proportional to 25,961.28, 38,956.50 and 10,380.12

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Solution

The fourth proportional to 25,961.28, 38,956.50 and 10,380.12 is: 15,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.28 : 38,956.50 = 10,380.12 : x
  2. Step 2: Convert to fraction form
    25,961.28/38,956.50 = 10,380.12/x
  3. Step 3: Cross multiply
    25,961.28x = 38,956.50 × 10,380.12
  4. Step 4: Simplify right side
    25,961.28x = 404,373,144.78
  5. Step 5: Solve for x
    x = 404,373,144.78/25,961.28
  6. Step 6: Final answer
    x = 15,576.01

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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.