Home / 36,096.12-54,129.84-13,897.20

Finding the Fourth Proportional to 36,096.12, 54,129.84 and 13,897.20

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Solution

The fourth proportional to 36,096.12, 54,129.84 and 13,897.20 is: 20,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,096.12 : 54,129.84 = 13,897.20 : x
  2. Step 2: Convert to fraction form
    36,096.12/54,129.84 = 13,897.20/x
  3. Step 3: Cross multiply
    36,096.12x = 54,129.84 × 13,897.20
  4. Step 4: Simplify right side
    36,096.12x = 752,253,212.45
  5. Step 5: Solve for x
    x = 752,253,212.45/36,096.12
  6. Step 6: Final answer
    x = 20,840.28

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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.