Home / 26,979.92-40,472.58-7,260.56

Finding the Fourth Proportional to 26,979.92, 40,472.58 and 7,260.56

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Solution

The fourth proportional to 26,979.92, 40,472.58 and 7,260.56 is: 10,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.92 : 40,472.58 = 7,260.56 : x
  2. Step 2: Convert to fraction form
    26,979.92/40,472.58 = 7,260.56/x
  3. Step 3: Cross multiply
    26,979.92x = 40,472.58 × 7,260.56
  4. Step 4: Simplify right side
    26,979.92x = 293,853,595.44
  5. Step 5: Solve for x
    x = 293,853,595.44/26,979.92
  6. Step 6: Final answer
    x = 10,891.57

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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.