Home / 23,170.02-34,761.50-9,121.38

Finding the Fourth Proportional to 23,170.02, 34,761.50 and 9,121.38

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Solution

The fourth proportional to 23,170.02, 34,761.50 and 9,121.38 is: 13,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.02 : 34,761.50 = 9,121.38 : x
  2. Step 2: Convert to fraction form
    23,170.02/34,761.50 = 9,121.38/x
  3. Step 3: Cross multiply
    23,170.02x = 34,761.50 × 9,121.38
  4. Step 4: Simplify right side
    23,170.02x = 317,072,850.87
  5. Step 5: Solve for x
    x = 317,072,850.87/23,170.02
  6. Step 6: Final answer
    x = 13,684.62

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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.