Home / 13,042.38-19,563.48-5,251.08

Finding the Fourth Proportional to 13,042.38, 19,563.48 and 5,251.08

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Solution

The fourth proportional to 13,042.38, 19,563.48 and 5,251.08 is: 7,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.38 : 19,563.48 = 5,251.08 : x
  2. Step 2: Convert to fraction form
    13,042.38/19,563.48 = 5,251.08/x
  3. Step 3: Cross multiply
    13,042.38x = 19,563.48 × 5,251.08
  4. Step 4: Simplify right side
    13,042.38x = 102,729,398.56
  5. Step 5: Solve for x
    x = 102,729,398.56/13,042.38
  6. Step 6: Final answer
    x = 7,876.58

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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.