Home / 18,319.42-27,481.12-5,836.51

Finding the Fourth Proportional to 18,319.42, 27,481.12 and 5,836.51

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Solution

The fourth proportional to 18,319.42, 27,481.12 and 5,836.51 is: 8,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.42 : 27,481.12 = 5,836.51 : x
  2. Step 2: Convert to fraction form
    18,319.42/27,481.12 = 5,836.51/x
  3. Step 3: Cross multiply
    18,319.42x = 27,481.12 × 5,836.51
  4. Step 4: Simplify right side
    18,319.42x = 160,393,831.69
  5. Step 5: Solve for x
    x = 160,393,831.69/18,319.42
  6. Step 6: Final answer
    x = 8,755.40

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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.