Home / 26,517.12-39,777.71-8,740.86

Finding the Fourth Proportional to 26,517.12, 39,777.71 and 8,740.86

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Solution

The fourth proportional to 26,517.12, 39,777.71 and 8,740.86 is: 13,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517.12 : 39,777.71 = 8,740.86 : x
  2. Step 2: Convert to fraction form
    26,517.12/39,777.71 = 8,740.86/x
  3. Step 3: Cross multiply
    26,517.12x = 39,777.71 × 8,740.86
  4. Step 4: Simplify right side
    26,517.12x = 347,691,350.53
  5. Step 5: Solve for x
    x = 347,691,350.53/26,517.12
  6. Step 6: Final answer
    x = 13,111.96

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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.