Home / 14,028.82-21,046.47-4,167.88

Finding the Fourth Proportional to 14,028.82, 21,046.47 and 4,167.88

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Solution

The fourth proportional to 14,028.82, 21,046.47 and 4,167.88 is: 6,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.82 : 21,046.47 = 4,167.88 : x
  2. Step 2: Convert to fraction form
    14,028.82/21,046.47 = 4,167.88/x
  3. Step 3: Cross multiply
    14,028.82x = 21,046.47 × 4,167.88
  4. Step 4: Simplify right side
    14,028.82x = 87,719,161.38
  5. Step 5: Solve for x
    x = 87,719,161.38/14,028.82
  6. Step 6: Final answer
    x = 6,252.78

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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.