Home / 19,873.39-27,425.23-11,375.54

Finding the Fourth Proportional to 19,873.39, 27,425.23 and 11,375.54

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Solution

The fourth proportional to 19,873.39, 27,425.23 and 11,375.54 is: 15,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.39 : 27,425.23 = 11,375.54 : x
  2. Step 2: Convert to fraction form
    19,873.39/27,425.23 = 11,375.54/x
  3. Step 3: Cross multiply
    19,873.39x = 27,425.23 × 11,375.54
  4. Step 4: Simplify right side
    19,873.39x = 311,976,800.87
  5. Step 5: Solve for x
    x = 311,976,800.87/19,873.39
  6. Step 6: Final answer
    x = 15,698.22

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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.