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Finding the Fourth Proportional to 13,093.68, 19,494.41 and 12,335.52

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Solution

The fourth proportional to 13,093.68, 19,494.41 and 12,335.52 is: 18,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.68 : 19,494.41 = 12,335.52 : x
  2. Step 2: Convert to fraction form
    13,093.68/19,494.41 = 12,335.52/x
  3. Step 3: Cross multiply
    13,093.68x = 19,494.41 × 12,335.52
  4. Step 4: Simplify right side
    13,093.68x = 240,473,684.44
  5. Step 5: Solve for x
    x = 240,473,684.44/13,093.68
  6. Step 6: Final answer
    x = 18,365.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.