Home / 18,181.94-27,272.70-5,033.81

Finding the Fourth Proportional to 18,181.94, 27,272.70 and 5,033.81

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Solution

The fourth proportional to 18,181.94, 27,272.70 and 5,033.81 is: 7,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.94 : 27,272.70 = 5,033.81 : x
  2. Step 2: Convert to fraction form
    18,181.94/27,272.70 = 5,033.81/x
  3. Step 3: Cross multiply
    18,181.94x = 27,272.70 × 5,033.81
  4. Step 4: Simplify right side
    18,181.94x = 137,285,658.17
  5. Step 5: Solve for x
    x = 137,285,658.17/18,181.94
  6. Step 6: Final answer
    x = 7,550.66

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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.