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Finding the Fourth Proportional to 18,087.95, 24,968.13 and 16,196.20

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Solution

The fourth proportional to 18,087.95, 24,968.13 and 16,196.20 is: 22,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.95 : 24,968.13 = 16,196.20 : x
  2. Step 2: Convert to fraction form
    18,087.95/24,968.13 = 16,196.20/x
  3. Step 3: Cross multiply
    18,087.95x = 24,968.13 × 16,196.20
  4. Step 4: Simplify right side
    18,087.95x = 404,388,827.11
  5. Step 5: Solve for x
    x = 404,388,827.11/18,087.95
  6. Step 6: Final answer
    x = 22,356.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.