Home / 18,691.39-25,793.44-10,193.37

Finding the Fourth Proportional to 18,691.39, 25,793.44 and 10,193.37

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Solution

The fourth proportional to 18,691.39, 25,793.44 and 10,193.37 is: 14,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.39 : 25,793.44 = 10,193.37 : x
  2. Step 2: Convert to fraction form
    18,691.39/25,793.44 = 10,193.37/x
  3. Step 3: Cross multiply
    18,691.39x = 25,793.44 × 10,193.37
  4. Step 4: Simplify right side
    18,691.39x = 262,922,077.49
  5. Step 5: Solve for x
    x = 262,922,077.49/18,691.39
  6. Step 6: Final answer
    x = 14,066.48

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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.