Home / 25,676.28-38,516.90-6,956.55

Finding the Fourth Proportional to 25,676.28, 38,516.90 and 6,956.55

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Solution

The fourth proportional to 25,676.28, 38,516.90 and 6,956.55 is: 10,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.28 : 38,516.90 = 6,956.55 : x
  2. Step 2: Convert to fraction form
    25,676.28/38,516.90 = 6,956.55/x
  3. Step 3: Cross multiply
    25,676.28x = 38,516.90 × 6,956.55
  4. Step 4: Simplify right side
    25,676.28x = 267,944,705.91
  5. Step 5: Solve for x
    x = 267,944,705.91/25,676.28
  6. Step 6: Final answer
    x = 10,435.50

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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.