Home / 12,674.82-19,029.48-7,132.08

Finding the Fourth Proportional to 12,674.82, 19,029.48 and 7,132.08

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Solution

The fourth proportional to 12,674.82, 19,029.48 and 7,132.08 is: 10,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.82 : 19,029.48 = 7,132.08 : x
  2. Step 2: Convert to fraction form
    12,674.82/19,029.48 = 7,132.08/x
  3. Step 3: Cross multiply
    12,674.82x = 19,029.48 × 7,132.08
  4. Step 4: Simplify right side
    12,674.82x = 135,719,773.72
  5. Step 5: Solve for x
    x = 135,719,773.72/12,674.82
  6. Step 6: Final answer
    x = 10,707.83

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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.