Home / 36,830.70-55,250.10-13,462.20

Finding the Fourth Proportional to 36,830.70, 55,250.10 and 13,462.20

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Solution

The fourth proportional to 36,830.70, 55,250.10 and 13,462.20 is: 20,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.70 : 55,250.10 = 13,462.20 : x
  2. Step 2: Convert to fraction form
    36,830.70/55,250.10 = 13,462.20/x
  3. Step 3: Cross multiply
    36,830.70x = 55,250.10 × 13,462.20
  4. Step 4: Simplify right side
    36,830.70x = 743,787,896.22
  5. Step 5: Solve for x
    x = 743,787,896.22/36,830.70
  6. Step 6: Final answer
    x = 20,194.78

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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.