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Finding the Fourth Proportional to 14,321.56, 19,764.66 and 8,034.34

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Solution

The fourth proportional to 14,321.56, 19,764.66 and 8,034.34 is: 11,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.56 : 19,764.66 = 8,034.34 : x
  2. Step 2: Convert to fraction form
    14,321.56/19,764.66 = 8,034.34/x
  3. Step 3: Cross multiply
    14,321.56x = 19,764.66 × 8,034.34
  4. Step 4: Simplify right side
    14,321.56x = 158,795,998.42
  5. Step 5: Solve for x
    x = 158,795,998.42/14,321.56
  6. Step 6: Final answer
    x = 11,087.90

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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.