Home / 23,176.22-34,678.17-13,821.30

Finding the Fourth Proportional to 23,176.22, 34,678.17 and 13,821.30

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Solution

The fourth proportional to 23,176.22, 34,678.17 and 13,821.30 is: 20,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.22 : 34,678.17 = 13,821.30 : x
  2. Step 2: Convert to fraction form
    23,176.22/34,678.17 = 13,821.30/x
  3. Step 3: Cross multiply
    23,176.22x = 34,678.17 × 13,821.30
  4. Step 4: Simplify right side
    23,176.22x = 479,297,391.02
  5. Step 5: Solve for x
    x = 479,297,391.02/23,176.22
  6. Step 6: Final answer
    x = 20,680.57

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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.