Home / 18,414.68-27,621.32-5,935.36

Finding the Fourth Proportional to 18,414.68, 27,621.32 and 5,935.36

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Solution

The fourth proportional to 18,414.68, 27,621.32 and 5,935.36 is: 8,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.68 : 27,621.32 = 5,935.36 : x
  2. Step 2: Convert to fraction form
    18,414.68/27,621.32 = 5,935.36/x
  3. Step 3: Cross multiply
    18,414.68x = 27,621.32 × 5,935.36
  4. Step 4: Simplify right side
    18,414.68x = 163,942,477.88
  5. Step 5: Solve for x
    x = 163,942,477.88/18,414.68
  6. Step 6: Final answer
    x = 8,902.81

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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.