Home / 13,159.82-19,753.39-7,623.97

Finding the Fourth Proportional to 13,159.82, 19,753.39 and 7,623.97

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Solution

The fourth proportional to 13,159.82, 19,753.39 and 7,623.97 is: 11,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.82 : 19,753.39 = 7,623.97 : x
  2. Step 2: Convert to fraction form
    13,159.82/19,753.39 = 7,623.97/x
  3. Step 3: Cross multiply
    13,159.82x = 19,753.39 × 7,623.97
  4. Step 4: Simplify right side
    13,159.82x = 150,599,345.46
  5. Step 5: Solve for x
    x = 150,599,345.46/13,159.82
  6. Step 6: Final answer
    x = 11,443.88

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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.