Home / 18,448.45-27,685.97-7,348.72

Finding the Fourth Proportional to 18,448.45, 27,685.97 and 7,348.72

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Solution

The fourth proportional to 18,448.45, 27,685.97 and 7,348.72 is: 11,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.45 : 27,685.97 = 7,348.72 : x
  2. Step 2: Convert to fraction form
    18,448.45/27,685.97 = 7,348.72/x
  3. Step 3: Cross multiply
    18,448.45x = 27,685.97 × 7,348.72
  4. Step 4: Simplify right side
    18,448.45x = 203,456,441.46
  5. Step 5: Solve for x
    x = 203,456,441.46/18,448.45
  6. Step 6: Final answer
    x = 11,028.38

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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.