Home / 18,183.45-25,104.89-11,725.98

Finding the Fourth Proportional to 18,183.45, 25,104.89 and 11,725.98

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Solution

The fourth proportional to 18,183.45, 25,104.89 and 11,725.98 is: 16,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.45 : 25,104.89 = 11,725.98 : x
  2. Step 2: Convert to fraction form
    18,183.45/25,104.89 = 11,725.98/x
  3. Step 3: Cross multiply
    18,183.45x = 25,104.89 × 11,725.98
  4. Step 4: Simplify right side
    18,183.45x = 294,379,423.38
  5. Step 5: Solve for x
    x = 294,379,423.38/18,183.45
  6. Step 6: Final answer
    x = 16,189.41

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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.