Home / 18,215.06-27,322.65-5,067.45

Finding the Fourth Proportional to 18,215.06, 27,322.65 and 5,067.45

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Solution

The fourth proportional to 18,215.06, 27,322.65 and 5,067.45 is: 7,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.06 : 27,322.65 = 5,067.45 : x
  2. Step 2: Convert to fraction form
    18,215.06/27,322.65 = 5,067.45/x
  3. Step 3: Cross multiply
    18,215.06x = 27,322.65 × 5,067.45
  4. Step 4: Simplify right side
    18,215.06x = 138,456,162.74
  5. Step 5: Solve for x
    x = 138,456,162.74/18,215.06
  6. Step 6: Final answer
    x = 7,601.19

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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.