Home / 18,238.35-27,366.03-17,943.51

Finding the Fourth Proportional to 18,238.35, 27,366.03 and 17,943.51

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Solution

The fourth proportional to 18,238.35, 27,366.03 and 17,943.51 is: 26,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.35 : 27,366.03 = 17,943.51 : x
  2. Step 2: Convert to fraction form
    18,238.35/27,366.03 = 17,943.51/x
  3. Step 3: Cross multiply
    18,238.35x = 27,366.03 × 17,943.51
  4. Step 4: Simplify right side
    18,238.35x = 491,042,632.97
  5. Step 5: Solve for x
    x = 491,042,632.97/18,238.35
  6. Step 6: Final answer
    x = 26,923.63

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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.