Home / 18,062.07-27,100.86-6,976.54

Finding the Fourth Proportional to 18,062.07, 27,100.86 and 6,976.54

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Solution

The fourth proportional to 18,062.07, 27,100.86 and 6,976.54 is: 10,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.07 : 27,100.86 = 6,976.54 : x
  2. Step 2: Convert to fraction form
    18,062.07/27,100.86 = 6,976.54/x
  3. Step 3: Cross multiply
    18,062.07x = 27,100.86 × 6,976.54
  4. Step 4: Simplify right side
    18,062.07x = 189,070,233.82
  5. Step 5: Solve for x
    x = 189,070,233.82/18,062.07
  6. Step 6: Final answer
    x = 10,467.81

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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.