Home / 26,854.56-40,278.74-7,134.72

Finding the Fourth Proportional to 26,854.56, 40,278.74 and 7,134.72

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Solution

The fourth proportional to 26,854.56, 40,278.74 and 7,134.72 is: 10,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.56 : 40,278.74 = 7,134.72 : x
  2. Step 2: Convert to fraction form
    26,854.56/40,278.74 = 7,134.72/x
  3. Step 3: Cross multiply
    26,854.56x = 40,278.74 × 7,134.72
  4. Step 4: Simplify right side
    26,854.56x = 287,377,531.85
  5. Step 5: Solve for x
    x = 287,377,531.85/26,854.56
  6. Step 6: Final answer
    x = 10,701.26

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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.