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Finding the Fourth Proportional to 18,894.30, 26,073.71 and 10,936.37

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Solution

The fourth proportional to 18,894.30, 26,073.71 and 10,936.37 is: 15,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.30 : 26,073.71 = 10,936.37 : x
  2. Step 2: Convert to fraction form
    18,894.30/26,073.71 = 10,936.37/x
  3. Step 3: Cross multiply
    18,894.30x = 26,073.71 × 10,936.37
  4. Step 4: Simplify right side
    18,894.30x = 285,151,739.83
  5. Step 5: Solve for x
    x = 285,151,739.83/18,894.30
  6. Step 6: Final answer
    x = 15,091.95

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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.