Home / 26,940.26-40,415.18-9,170.02

Finding the Fourth Proportional to 26,940.26, 40,415.18 and 9,170.02

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Solution

The fourth proportional to 26,940.26, 40,415.18 and 9,170.02 is: 13,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.26 : 40,415.18 = 9,170.02 : x
  2. Step 2: Convert to fraction form
    26,940.26/40,415.18 = 9,170.02/x
  3. Step 3: Cross multiply
    26,940.26x = 40,415.18 × 9,170.02
  4. Step 4: Simplify right side
    26,940.26x = 370,608,013.57
  5. Step 5: Solve for x
    x = 370,608,013.57/26,940.26
  6. Step 6: Final answer
    x = 13,756.66

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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.