Home / 26,918.28-40,382.46-9,387.72

Finding the Fourth Proportional to 26,918.28, 40,382.46 and 9,387.72

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Solution

The fourth proportional to 26,918.28, 40,382.46 and 9,387.72 is: 14,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.28 : 40,382.46 = 9,387.72 : x
  2. Step 2: Convert to fraction form
    26,918.28/40,382.46 = 9,387.72/x
  3. Step 3: Cross multiply
    26,918.28x = 40,382.46 × 9,387.72
  4. Step 4: Simplify right side
    26,918.28x = 379,099,227.39
  5. Step 5: Solve for x
    x = 379,099,227.39/26,918.28
  6. Step 6: Final answer
    x = 14,083.34

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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.