Home / 14,481.82-21,720.51-3,952.71

Finding the Fourth Proportional to 14,481.82, 21,720.51 and 3,952.71

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Solution

The fourth proportional to 14,481.82, 21,720.51 and 3,952.71 is: 5,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.82 : 21,720.51 = 3,952.71 : x
  2. Step 2: Convert to fraction form
    14,481.82/21,720.51 = 3,952.71/x
  3. Step 3: Cross multiply
    14,481.82x = 21,720.51 × 3,952.71
  4. Step 4: Simplify right side
    14,481.82x = 85,854,877.08
  5. Step 5: Solve for x
    x = 85,854,877.08/14,481.82
  6. Step 6: Final answer
    x = 5,928.46

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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.