Home / 26,755.20-40,144.80-9,237.60

Finding the Fourth Proportional to 26,755.20, 40,144.80 and 9,237.60

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Solution

The fourth proportional to 26,755.20, 40,144.80 and 9,237.60 is: 13,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.20 : 40,144.80 = 9,237.60 : x
  2. Step 2: Convert to fraction form
    26,755.20/40,144.80 = 9,237.60/x
  3. Step 3: Cross multiply
    26,755.20x = 40,144.80 × 9,237.60
  4. Step 4: Simplify right side
    26,755.20x = 370,841,604.48
  5. Step 5: Solve for x
    x = 370,841,604.48/26,755.20
  6. Step 6: Final answer
    x = 13,860.54

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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.