Home / 18,806.00-28,228.84-18,382.37

Finding the Fourth Proportional to 18,806.00, 28,228.84 and 18,382.37

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Solution

The fourth proportional to 18,806.00, 28,228.84 and 18,382.37 is: 27,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.00 : 28,228.84 = 18,382.37 : x
  2. Step 2: Convert to fraction form
    18,806.00/28,228.84 = 18,382.37/x
  3. Step 3: Cross multiply
    18,806.00x = 28,228.84 × 18,382.37
  4. Step 4: Simplify right side
    18,806.00x = 518,912,794.45
  5. Step 5: Solve for x
    x = 518,912,794.45/18,806.00
  6. Step 6: Final answer
    x = 27,592.95

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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.