Home / 18,952.28-28,408.62-6,467.95

Finding the Fourth Proportional to 18,952.28, 28,408.62 and 6,467.95

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Solution

The fourth proportional to 18,952.28, 28,408.62 and 6,467.95 is: 9,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.28 : 28,408.62 = 6,467.95 : x
  2. Step 2: Convert to fraction form
    18,952.28/28,408.62 = 6,467.95/x
  3. Step 3: Cross multiply
    18,952.28x = 28,408.62 × 6,467.95
  4. Step 4: Simplify right side
    18,952.28x = 183,745,593.49
  5. Step 5: Solve for x
    x = 183,745,593.49/18,952.28
  6. Step 6: Final answer
    x = 9,695.17

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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.