Home / 36,135.52-54,218.78-13,964.46

Finding the Fourth Proportional to 36,135.52, 54,218.78 and 13,964.46

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Solution

The fourth proportional to 36,135.52, 54,218.78 and 13,964.46 is: 20,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.52 : 54,218.78 = 13,964.46 : x
  2. Step 2: Convert to fraction form
    36,135.52/54,218.78 = 13,964.46/x
  3. Step 3: Cross multiply
    36,135.52x = 54,218.78 × 13,964.46
  4. Step 4: Simplify right side
    36,135.52x = 757,135,984.56
  5. Step 5: Solve for x
    x = 757,135,984.56/36,135.52
  6. Step 6: Final answer
    x = 20,952.68

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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.