Home / 26,791.80-40,194.42-8,071.44

Finding the Fourth Proportional to 26,791.80, 40,194.42 and 8,071.44

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Solution

The fourth proportional to 26,791.80, 40,194.42 and 8,071.44 is: 12,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.80 : 40,194.42 = 8,071.44 : x
  2. Step 2: Convert to fraction form
    26,791.80/40,194.42 = 8,071.44/x
  3. Step 3: Cross multiply
    26,791.80x = 40,194.42 × 8,071.44
  4. Step 4: Simplify right side
    26,791.80x = 324,426,849.36
  5. Step 5: Solve for x
    x = 324,426,849.36/26,791.80
  6. Step 6: Final answer
    x = 12,109.18

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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.