Home / 36,126.90-54,174.15-13,932.90

Finding the Fourth Proportional to 36,126.90, 54,174.15 and 13,932.90

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Solution

The fourth proportional to 36,126.90, 54,174.15 and 13,932.90 is: 20,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.90 : 54,174.15 = 13,932.90 : x
  2. Step 2: Convert to fraction form
    36,126.90/54,174.15 = 13,932.90/x
  3. Step 3: Cross multiply
    36,126.90x = 54,174.15 × 13,932.90
  4. Step 4: Simplify right side
    36,126.90x = 754,803,014.54
  5. Step 5: Solve for x
    x = 754,803,014.54/36,126.90
  6. Step 6: Final answer
    x = 20,893.10

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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.