Home / 14,370.88-21,557.82-3,982.64

Finding the Fourth Proportional to 14,370.88, 21,557.82 and 3,982.64

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Solution

The fourth proportional to 14,370.88, 21,557.82 and 3,982.64 is: 5,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.88 : 21,557.82 = 3,982.64 : x
  2. Step 2: Convert to fraction form
    14,370.88/21,557.82 = 3,982.64/x
  3. Step 3: Cross multiply
    14,370.88x = 21,557.82 × 3,982.64
  4. Step 4: Simplify right side
    14,370.88x = 85,857,036.24
  5. Step 5: Solve for x
    x = 85,857,036.24/14,370.88
  6. Step 6: Final answer
    x = 5,974.38

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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.