Home / 14,193.31-21,289.85-3,662.43

Finding the Fourth Proportional to 14,193.31, 21,289.85 and 3,662.43

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Solution

The fourth proportional to 14,193.31, 21,289.85 and 3,662.43 is: 5,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.31 : 21,289.85 = 3,662.43 : x
  2. Step 2: Convert to fraction form
    14,193.31/21,289.85 = 3,662.43/x
  3. Step 3: Cross multiply
    14,193.31x = 21,289.85 × 3,662.43
  4. Step 4: Simplify right side
    14,193.31x = 77,972,585.34
  5. Step 5: Solve for x
    x = 77,972,585.34/14,193.31
  6. Step 6: Final answer
    x = 5,493.62

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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.