Home / 16,805.20-25,192.22-7,440.23

Finding the Fourth Proportional to 16,805.20, 25,192.22 and 7,440.23

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Solution

The fourth proportional to 16,805.20, 25,192.22 and 7,440.23 is: 11,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.20 : 25,192.22 = 7,440.23 : x
  2. Step 2: Convert to fraction form
    16,805.20/25,192.22 = 7,440.23/x
  3. Step 3: Cross multiply
    16,805.20x = 25,192.22 × 7,440.23
  4. Step 4: Simplify right side
    16,805.20x = 187,435,747.85
  5. Step 5: Solve for x
    x = 187,435,747.85/16,805.20
  6. Step 6: Final answer
    x = 11,153.44

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1.5x scale

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.