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Finding the Fourth Proportional to 18,165.84, 27,257.88 and 8,304.24

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Solution

The fourth proportional to 18,165.84, 27,257.88 and 8,304.24 is: 12,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.84 : 27,257.88 = 8,304.24 : x
  2. Step 2: Convert to fraction form
    18,165.84/27,257.88 = 8,304.24/x
  3. Step 3: Cross multiply
    18,165.84x = 27,257.88 × 8,304.24
  4. Step 4: Simplify right side
    18,165.84x = 226,355,977.41
  5. Step 5: Solve for x
    x = 226,355,977.41/18,165.84
  6. Step 6: Final answer
    x = 12,460.53

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1.5x scale

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.