Home / 18,622.22-27,933.32-5,474.70

Finding the Fourth Proportional to 18,622.22, 27,933.32 and 5,474.70

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Solution

The fourth proportional to 18,622.22, 27,933.32 and 5,474.70 is: 8,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.22 : 27,933.32 = 5,474.70 : x
  2. Step 2: Convert to fraction form
    18,622.22/27,933.32 = 5,474.70/x
  3. Step 3: Cross multiply
    18,622.22x = 27,933.32 × 5,474.70
  4. Step 4: Simplify right side
    18,622.22x = 152,926,560.69
  5. Step 5: Solve for x
    x = 152,926,560.69/18,622.22
  6. Step 6: Final answer
    x = 8,212.05

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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.