Home / 20,414.88-30,549.36-16,002

Finding the Fourth Proportional to 20,414.88, 30,549.36 and 16,002

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Solution

The fourth proportional to 20,414.88, 30,549.36 and 16,002 is: 23,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.88 : 30,549.36 = 16,002 : x
  2. Step 2: Convert to fraction form
    20,414.88/30,549.36 = 16,002/x
  3. Step 3: Cross multiply
    20,414.88x = 30,549.36 × 16,002
  4. Step 4: Simplify right side
    20,414.88x = 488,850,858.72
  5. Step 5: Solve for x
    x = 488,850,858.72/20,414.88
  6. Step 6: Final answer
    x = 23,945.81

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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.