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Finding the Fourth Proportional to 14,321.44, 19,764.49 and 8,034.22

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Solution

The fourth proportional to 14,321.44, 19,764.49 and 8,034.22 is: 11,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.44 : 19,764.49 = 8,034.22 : x
  2. Step 2: Convert to fraction form
    14,321.44/19,764.49 = 8,034.22/x
  3. Step 3: Cross multiply
    14,321.44x = 19,764.49 × 8,034.22
  4. Step 4: Simplify right side
    14,321.44x = 158,792,162.03
  5. Step 5: Solve for x
    x = 158,792,162.03/14,321.44
  6. Step 6: Final answer
    x = 11,087.73

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1.5x scale

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.