Home / 21,974.10-32,958.54-5,744.13

Finding the Fourth Proportional to 21,974.10, 32,958.54 and 5,744.13

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Solution

The fourth proportional to 21,974.10, 32,958.54 and 5,744.13 is: 8,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.10 : 32,958.54 = 5,744.13 : x
  2. Step 2: Convert to fraction form
    21,974.10/32,958.54 = 5,744.13/x
  3. Step 3: Cross multiply
    21,974.10x = 32,958.54 × 5,744.13
  4. Step 4: Simplify right side
    21,974.10x = 189,318,109.65
  5. Step 5: Solve for x
    x = 189,318,109.65/21,974.10
  6. Step 6: Final answer
    x = 8,615.51

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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.