Home / 18,553.12-25,605.93-11,481.82

Finding the Fourth Proportional to 18,553.12, 25,605.93 and 11,481.82

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Solution

The fourth proportional to 18,553.12, 25,605.93 and 11,481.82 is: 15,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.12 : 25,605.93 = 11,481.82 : x
  2. Step 2: Convert to fraction form
    18,553.12/25,605.93 = 11,481.82/x
  3. Step 3: Cross multiply
    18,553.12x = 25,605.93 × 11,481.82
  4. Step 4: Simplify right side
    18,553.12x = 294,002,679.19
  5. Step 5: Solve for x
    x = 294,002,679.19/18,553.12
  6. Step 6: Final answer
    x = 15,846.54

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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.