Home / 35,255.20-52,839.60-15,512.80

Finding the Fourth Proportional to 35,255.20, 52,839.60 and 15,512.80

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Solution

The fourth proportional to 35,255.20, 52,839.60 and 15,512.80 is: 23,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.20 : 52,839.60 = 15,512.80 : x
  2. Step 2: Convert to fraction form
    35,255.20/52,839.60 = 15,512.80/x
  3. Step 3: Cross multiply
    35,255.20x = 52,839.60 × 15,512.80
  4. Step 4: Simplify right side
    35,255.20x = 819,690,146.88
  5. Step 5: Solve for x
    x = 819,690,146.88/35,255.20
  6. Step 6: Final answer
    x = 23,250.19

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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.