Home / 18,045.05-27,067.75-5,564.97

Finding the Fourth Proportional to 18,045.05, 27,067.75 and 5,564.97

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Solution

The fourth proportional to 18,045.05, 27,067.75 and 5,564.97 is: 8,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.05 : 27,067.75 = 5,564.97 : x
  2. Step 2: Convert to fraction form
    18,045.05/27,067.75 = 5,564.97/x
  3. Step 3: Cross multiply
    18,045.05x = 27,067.75 × 5,564.97
  4. Step 4: Simplify right side
    18,045.05x = 150,631,202.81
  5. Step 5: Solve for x
    x = 150,631,202.81/18,045.05
  6. Step 6: Final answer
    x = 8,347.51

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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.