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Finding the Fourth Proportional to 18,894.39, 25,964.81 and 18,027.15

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Solution

The fourth proportional to 18,894.39, 25,964.81 and 18,027.15 is: 24,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.39 : 25,964.81 = 18,027.15 : x
  2. Step 2: Convert to fraction form
    18,894.39/25,964.81 = 18,027.15/x
  3. Step 3: Cross multiply
    18,894.39x = 25,964.81 × 18,027.15
  4. Step 4: Simplify right side
    18,894.39x = 468,071,524.59
  5. Step 5: Solve for x
    x = 468,071,524.59/18,894.39
  6. Step 6: Final answer
    x = 24,773.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.