Home / 15,112.73-22,679.42-5,251.92

Finding the Fourth Proportional to 15,112.73, 22,679.42 and 5,251.92

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Solution

The fourth proportional to 15,112.73, 22,679.42 and 5,251.92 is: 7,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.73 : 22,679.42 = 5,251.92 : x
  2. Step 2: Convert to fraction form
    15,112.73/22,679.42 = 5,251.92/x
  3. Step 3: Cross multiply
    15,112.73x = 22,679.42 × 5,251.92
  4. Step 4: Simplify right side
    15,112.73x = 119,110,473.23
  5. Step 5: Solve for x
    x = 119,110,473.23/15,112.73
  6. Step 6: Final answer
    x = 7,881.47

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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.