Home / 26,920.38-40,382.18-8,452.38

Finding the Fourth Proportional to 26,920.38, 40,382.18 and 8,452.38

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Solution

The fourth proportional to 26,920.38, 40,382.18 and 8,452.38 is: 12,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.38 : 40,382.18 = 8,452.38 : x
  2. Step 2: Convert to fraction form
    26,920.38/40,382.18 = 8,452.38/x
  3. Step 3: Cross multiply
    26,920.38x = 40,382.18 × 8,452.38
  4. Step 4: Simplify right side
    26,920.38x = 341,325,349.81
  5. Step 5: Solve for x
    x = 341,325,349.81/26,920.38
  6. Step 6: Final answer
    x = 12,679.07

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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.