Home / 15,112.87-22,669.26-4,019.56

Finding the Fourth Proportional to 15,112.87, 22,669.26 and 4,019.56

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Solution

The fourth proportional to 15,112.87, 22,669.26 and 4,019.56 is: 6,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.87 : 22,669.26 = 4,019.56 : x
  2. Step 2: Convert to fraction form
    15,112.87/22,669.26 = 4,019.56/x
  3. Step 3: Cross multiply
    15,112.87x = 22,669.26 × 4,019.56
  4. Step 4: Simplify right side
    15,112.87x = 91,120,450.73
  5. Step 5: Solve for x
    x = 91,120,450.73/15,112.87
  6. Step 6: Final answer
    x = 6,029.33

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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.