Home / 18,296.27-25,249.13-9,912.77

Finding the Fourth Proportional to 18,296.27, 25,249.13 and 9,912.77

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Solution

The fourth proportional to 18,296.27, 25,249.13 and 9,912.77 is: 13,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.27 : 25,249.13 = 9,912.77 : x
  2. Step 2: Convert to fraction form
    18,296.27/25,249.13 = 9,912.77/x
  3. Step 3: Cross multiply
    18,296.27x = 25,249.13 × 9,912.77
  4. Step 4: Simplify right side
    18,296.27x = 250,288,768.83
  5. Step 5: Solve for x
    x = 250,288,768.83/18,296.27
  6. Step 6: Final answer
    x = 13,679.77

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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.