Home / 18,267.27-27,397.75-5,116.51

Finding the Fourth Proportional to 18,267.27, 27,397.75 and 5,116.51

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Solution

The fourth proportional to 18,267.27, 27,397.75 and 5,116.51 is: 7,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.27 : 27,397.75 = 5,116.51 : x
  2. Step 2: Convert to fraction form
    18,267.27/27,397.75 = 5,116.51/x
  3. Step 3: Cross multiply
    18,267.27x = 27,397.75 × 5,116.51
  4. Step 4: Simplify right side
    18,267.27x = 140,180,836.27
  5. Step 5: Solve for x
    x = 140,180,836.27/18,267.27
  6. Step 6: Final answer
    x = 7,673.88

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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.