Home / 26,876.38-40,315.28-7,154.97

Finding the Fourth Proportional to 26,876.38, 40,315.28 and 7,154.97

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Solution

The fourth proportional to 26,876.38, 40,315.28 and 7,154.97 is: 10,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.38 : 40,315.28 = 7,154.97 : x
  2. Step 2: Convert to fraction form
    26,876.38/40,315.28 = 7,154.97/x
  3. Step 3: Cross multiply
    26,876.38x = 40,315.28 × 7,154.97
  4. Step 4: Simplify right side
    26,876.38x = 288,454,583.17
  5. Step 5: Solve for x
    x = 288,454,583.17/26,876.38
  6. Step 6: Final answer
    x = 10,732.64

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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.