Home / 26,414.10-39,624.66-8,638.52

Finding the Fourth Proportional to 26,414.10, 39,624.66 and 8,638.52

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Solution

The fourth proportional to 26,414.10, 39,624.66 and 8,638.52 is: 12,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.10 : 39,624.66 = 8,638.52 : x
  2. Step 2: Convert to fraction form
    26,414.10/39,624.66 = 8,638.52/x
  3. Step 3: Cross multiply
    26,414.10x = 39,624.66 × 8,638.52
  4. Step 4: Simplify right side
    26,414.10x = 342,298,219.78
  5. Step 5: Solve for x
    x = 342,298,219.78/26,414.10
  6. Step 6: Final answer
    x = 12,958.92

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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.