Home / 18,340.38-27,512.39-6,654.51

Finding the Fourth Proportional to 18,340.38, 27,512.39 and 6,654.51

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Solution

The fourth proportional to 18,340.38, 27,512.39 and 6,654.51 is: 9,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.38 : 27,512.39 = 6,654.51 : x
  2. Step 2: Convert to fraction form
    18,340.38/27,512.39 = 6,654.51/x
  3. Step 3: Cross multiply
    18,340.38x = 27,512.39 × 6,654.51
  4. Step 4: Simplify right side
    18,340.38x = 183,081,491.02
  5. Step 5: Solve for x
    x = 183,081,491.02/18,340.38
  6. Step 6: Final answer
    x = 9,982.43

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1.5x scale

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.