Home / 36,453.97-54,696.83-12,778.54

Finding the Fourth Proportional to 36,453.97, 54,696.83 and 12,778.54

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Solution

The fourth proportional to 36,453.97, 54,696.83 and 12,778.54 is: 19,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.97 : 54,696.83 = 12,778.54 : x
  2. Step 2: Convert to fraction form
    36,453.97/54,696.83 = 12,778.54/x
  3. Step 3: Cross multiply
    36,453.97x = 54,696.83 × 12,778.54
  4. Step 4: Simplify right side
    36,453.97x = 698,945,630.03
  5. Step 5: Solve for x
    x = 698,945,630.03/36,453.97
  6. Step 6: Final answer
    x = 19,173.37

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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.