Home / 14,442.31-21,661.82-3,911.72

Finding the Fourth Proportional to 14,442.31, 21,661.82 and 3,911.72

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Solution

The fourth proportional to 14,442.31, 21,661.82 and 3,911.72 is: 5,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.31 : 21,661.82 = 3,911.72 : x
  2. Step 2: Convert to fraction form
    14,442.31/21,661.82 = 3,911.72/x
  3. Step 3: Cross multiply
    14,442.31x = 21,661.82 × 3,911.72
  4. Step 4: Simplify right side
    14,442.31x = 84,734,954.97
  5. Step 5: Solve for x
    x = 84,734,954.97/14,442.31
  6. Step 6: Final answer
    x = 5,867.14

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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.