Home / 18,536.25-27,805.56-7,441.47

Finding the Fourth Proportional to 18,536.25, 27,805.56 and 7,441.47

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Solution

The fourth proportional to 18,536.25, 27,805.56 and 7,441.47 is: 11,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.25 : 27,805.56 = 7,441.47 : x
  2. Step 2: Convert to fraction form
    18,536.25/27,805.56 = 7,441.47/x
  3. Step 3: Cross multiply
    18,536.25x = 27,805.56 × 7,441.47
  4. Step 4: Simplify right side
    18,536.25x = 206,914,240.57
  5. Step 5: Solve for x
    x = 206,914,240.57/18,536.25
  6. Step 6: Final answer
    x = 11,162.68

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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.