Home / 18,669.60-25,768.44-11,601.36

Finding the Fourth Proportional to 18,669.60, 25,768.44 and 11,601.36

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Solution

The fourth proportional to 18,669.60, 25,768.44 and 11,601.36 is: 16,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.60 : 25,768.44 = 11,601.36 : x
  2. Step 2: Convert to fraction form
    18,669.60/25,768.44 = 11,601.36/x
  3. Step 3: Cross multiply
    18,669.60x = 25,768.44 × 11,601.36
  4. Step 4: Simplify right side
    18,669.60x = 298,948,949.08
  5. Step 5: Solve for x
    x = 298,948,949.08/18,669.60
  6. Step 6: Final answer
    x = 16,012.61

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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.