Home / 36,155.46-54,191.61-13,959.12

Finding the Fourth Proportional to 36,155.46, 54,191.61 and 13,959.12

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Solution

The fourth proportional to 36,155.46, 54,191.61 and 13,959.12 is: 20,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.46 : 54,191.61 = 13,959.12 : x
  2. Step 2: Convert to fraction form
    36,155.46/54,191.61 = 13,959.12/x
  3. Step 3: Cross multiply
    36,155.46x = 54,191.61 × 13,959.12
  4. Step 4: Simplify right side
    36,155.46x = 756,467,186.98
  5. Step 5: Solve for x
    x = 756,467,186.98/36,155.46
  6. Step 6: Final answer
    x = 20,922.63

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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.