Home / 18,215.27-27,322.75-5,067.60

Finding the Fourth Proportional to 18,215.27, 27,322.75 and 5,067.60

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Solution

The fourth proportional to 18,215.27, 27,322.75 and 5,067.60 is: 7,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.27 : 27,322.75 = 5,067.60 : x
  2. Step 2: Convert to fraction form
    18,215.27/27,322.75 = 5,067.60/x
  3. Step 3: Cross multiply
    18,215.27x = 27,322.75 × 5,067.60
  4. Step 4: Simplify right side
    18,215.27x = 138,460,776.35
  5. Step 5: Solve for x
    x = 138,460,776.35/18,215.27
  6. Step 6: Final answer
    x = 7,601.36

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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.