Home / 13,042.43-19,553.11-5,243.75

Finding the Fourth Proportional to 13,042.43, 19,553.11 and 5,243.75

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Solution

The fourth proportional to 13,042.43, 19,553.11 and 5,243.75 is: 7,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.43 : 19,553.11 = 5,243.75 : x
  2. Step 2: Convert to fraction form
    13,042.43/19,553.11 = 5,243.75/x
  3. Step 3: Cross multiply
    13,042.43x = 19,553.11 × 5,243.75
  4. Step 4: Simplify right side
    13,042.43x = 102,531,620.56
  5. Step 5: Solve for x
    x = 102,531,620.56/13,042.43
  6. Step 6: Final answer
    x = 7,861.39

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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.