Home / 26,845.35-40,268.49-8,125.57

Finding the Fourth Proportional to 26,845.35, 40,268.49 and 8,125.57

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Solution

The fourth proportional to 26,845.35, 40,268.49 and 8,125.57 is: 12,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.35 : 40,268.49 = 8,125.57 : x
  2. Step 2: Convert to fraction form
    26,845.35/40,268.49 = 8,125.57/x
  3. Step 3: Cross multiply
    26,845.35x = 40,268.49 × 8,125.57
  4. Step 4: Simplify right side
    26,845.35x = 327,204,434.29
  5. Step 5: Solve for x
    x = 327,204,434.29/26,845.35
  6. Step 6: Final answer
    x = 12,188.50

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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.