Home / 18,360.81-27,540.26-10,766.33

Finding the Fourth Proportional to 18,360.81, 27,540.26 and 10,766.33

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Solution

The fourth proportional to 18,360.81, 27,540.26 and 10,766.33 is: 16,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.81 : 27,540.26 = 10,766.33 : x
  2. Step 2: Convert to fraction form
    18,360.81/27,540.26 = 10,766.33/x
  3. Step 3: Cross multiply
    18,360.81x = 27,540.26 × 10,766.33
  4. Step 4: Simplify right side
    18,360.81x = 296,507,335.91
  5. Step 5: Solve for x
    x = 296,507,335.91/18,360.81
  6. Step 6: Final answer
    x = 16,148.92

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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.