Home / 36,090.26-54,123.13-13,901.79

Finding the Fourth Proportional to 36,090.26, 54,123.13 and 13,901.79

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Solution

The fourth proportional to 36,090.26, 54,123.13 and 13,901.79 is: 20,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.26 : 54,123.13 = 13,901.79 : x
  2. Step 2: Convert to fraction form
    36,090.26/54,123.13 = 13,901.79/x
  3. Step 3: Cross multiply
    36,090.26x = 54,123.13 × 13,901.79
  4. Step 4: Simplify right side
    36,090.26x = 752,408,387.40
  5. Step 5: Solve for x
    x = 752,408,387.40/36,090.26
  6. Step 6: Final answer
    x = 20,847.96

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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.