Home / 18,222.60-27,314.38-7,698.44

Finding the Fourth Proportional to 18,222.60, 27,314.38 and 7,698.44

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Solution

The fourth proportional to 18,222.60, 27,314.38 and 7,698.44 is: 11,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.60 : 27,314.38 = 7,698.44 : x
  2. Step 2: Convert to fraction form
    18,222.60/27,314.38 = 7,698.44/x
  3. Step 3: Cross multiply
    18,222.60x = 27,314.38 × 7,698.44
  4. Step 4: Simplify right side
    18,222.60x = 210,278,115.57
  5. Step 5: Solve for x
    x = 210,278,115.57/18,222.60
  6. Step 6: Final answer
    x = 11,539.41

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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.