Home / 17,007.30-25,474.02-8,223.78

Finding the Fourth Proportional to 17,007.30, 25,474.02 and 8,223.78

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Solution

The fourth proportional to 17,007.30, 25,474.02 and 8,223.78 is: 12,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.30 : 25,474.02 = 8,223.78 : x
  2. Step 2: Convert to fraction form
    17,007.30/25,474.02 = 8,223.78/x
  3. Step 3: Cross multiply
    17,007.30x = 25,474.02 × 8,223.78
  4. Step 4: Simplify right side
    17,007.30x = 209,492,736.20
  5. Step 5: Solve for x
    x = 209,492,736.20/17,007.30
  6. Step 6: Final answer
    x = 12,317.81

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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.