Home / 26,947.28-40,419.92-8,226.56

Finding the Fourth Proportional to 26,947.28, 40,419.92 and 8,226.56

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Solution

The fourth proportional to 26,947.28, 40,419.92 and 8,226.56 is: 12,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.28 : 40,419.92 = 8,226.56 : x
  2. Step 2: Convert to fraction form
    26,947.28/40,419.92 = 8,226.56/x
  3. Step 3: Cross multiply
    26,947.28x = 40,419.92 × 8,226.56
  4. Step 4: Simplify right side
    26,947.28x = 332,516,897.08
  5. Step 5: Solve for x
    x = 332,516,897.08/26,947.28
  6. Step 6: Final answer
    x = 12,339.53

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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.