Home / 22,447.45-30,976.09-12,375.37

Finding the Fourth Proportional to 22,447.45, 30,976.09 and 12,375.37

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Solution

The fourth proportional to 22,447.45, 30,976.09 and 12,375.37 is: 17,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.45 : 30,976.09 = 12,375.37 : x
  2. Step 2: Convert to fraction form
    22,447.45/30,976.09 = 12,375.37/x
  3. Step 3: Cross multiply
    22,447.45x = 30,976.09 × 12,375.37
  4. Step 4: Simplify right side
    22,447.45x = 383,340,574.90
  5. Step 5: Solve for x
    x = 383,340,574.90/22,447.45
  6. Step 6: Final answer
    x = 17,077.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.