Home / 13,892.52-20,840.84-4,031.88

Finding the Fourth Proportional to 13,892.52, 20,840.84 and 4,031.88

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Solution

The fourth proportional to 13,892.52, 20,840.84 and 4,031.88 is: 6,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.52 : 20,840.84 = 4,031.88 : x
  2. Step 2: Convert to fraction form
    13,892.52/20,840.84 = 4,031.88/x
  3. Step 3: Cross multiply
    13,892.52x = 20,840.84 × 4,031.88
  4. Step 4: Simplify right side
    13,892.52x = 84,027,765.98
  5. Step 5: Solve for x
    x = 84,027,765.98/13,892.52
  6. Step 6: Final answer
    x = 6,048.42

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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.