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Finding the Fourth Proportional to 18,804.59, 25,943.36 and 12,093.92

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Solution

The fourth proportional to 18,804.59, 25,943.36 and 12,093.92 is: 16,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.59 : 25,943.36 = 12,093.92 : x
  2. Step 2: Convert to fraction form
    18,804.59/25,943.36 = 12,093.92/x
  3. Step 3: Cross multiply
    18,804.59x = 25,943.36 × 12,093.92
  4. Step 4: Simplify right side
    18,804.59x = 313,756,920.37
  5. Step 5: Solve for x
    x = 313,756,920.37/18,804.59
  6. Step 6: Final answer
    x = 16,685.12

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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.