Home / 36,004.86-54,016-13,515.74

Finding the Fourth Proportional to 36,004.86, 54,016 and 13,515.74

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Solution

The fourth proportional to 36,004.86, 54,016 and 13,515.74 is: 20,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.86 : 54,016 = 13,515.74 : x
  2. Step 2: Convert to fraction form
    36,004.86/54,016 = 13,515.74/x
  3. Step 3: Cross multiply
    36,004.86x = 54,016 × 13,515.74
  4. Step 4: Simplify right side
    36,004.86x = 730,066,211.84
  5. Step 5: Solve for x
    x = 730,066,211.84/36,004.86
  6. Step 6: Final answer
    x = 20,276.88

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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.