Home / 26,253.50-39,391.85-13,770.54

Finding the Fourth Proportional to 26,253.50, 39,391.85 and 13,770.54

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Solution

The fourth proportional to 26,253.50, 39,391.85 and 13,770.54 is: 20,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,253.50 : 39,391.85 = 13,770.54 : x
  2. Step 2: Convert to fraction form
    26,253.50/39,391.85 = 13,770.54/x
  3. Step 3: Cross multiply
    26,253.50x = 39,391.85 × 13,770.54
  4. Step 4: Simplify right side
    26,253.50x = 542,447,046.10
  5. Step 5: Solve for x
    x = 542,447,046.10/26,253.50
  6. Step 6: Final answer
    x = 20,661.89

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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.