Home / 18,206.62-27,253.36-9,865.95

Finding the Fourth Proportional to 18,206.62, 27,253.36 and 9,865.95

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Solution

The fourth proportional to 18,206.62, 27,253.36 and 9,865.95 is: 14,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.62 : 27,253.36 = 9,865.95 : x
  2. Step 2: Convert to fraction form
    18,206.62/27,253.36 = 9,865.95/x
  3. Step 3: Cross multiply
    18,206.62x = 27,253.36 × 9,865.95
  4. Step 4: Simplify right side
    18,206.62x = 268,880,350.52
  5. Step 5: Solve for x
    x = 268,880,350.52/18,206.62
  6. Step 6: Final answer
    x = 14,768.27

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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.