Home / 23,821.65-32,871.56-13,211.06

Finding the Fourth Proportional to 23,821.65, 32,871.56 and 13,211.06

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Solution

The fourth proportional to 23,821.65, 32,871.56 and 13,211.06 is: 18,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.65 : 32,871.56 = 13,211.06 : x
  2. Step 2: Convert to fraction form
    23,821.65/32,871.56 = 13,211.06/x
  3. Step 3: Cross multiply
    23,821.65x = 32,871.56 × 13,211.06
  4. Step 4: Simplify right side
    23,821.65x = 434,267,921.04
  5. Step 5: Solve for x
    x = 434,267,921.04/23,821.65
  6. Step 6: Final answer
    x = 18,229.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.