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Finding the Fourth Proportional to 18,151.92, 27,175.95 and 12,298.14

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Solution

The fourth proportional to 18,151.92, 27,175.95 and 12,298.14 is: 18,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.92 : 27,175.95 = 12,298.14 : x
  2. Step 2: Convert to fraction form
    18,151.92/27,175.95 = 12,298.14/x
  3. Step 3: Cross multiply
    18,151.92x = 27,175.95 × 12,298.14
  4. Step 4: Simplify right side
    18,151.92x = 334,213,637.73
  5. Step 5: Solve for x
    x = 334,213,637.73/18,151.92
  6. Step 6: Final answer
    x = 18,412.03

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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.