Home / 12,163.58-18,245.36-9,394.28

Finding the Fourth Proportional to 12,163.58, 18,245.36 and 9,394.28

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Solution

The fourth proportional to 12,163.58, 18,245.36 and 9,394.28 is: 14,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.58 : 18,245.36 = 9,394.28 : x
  2. Step 2: Convert to fraction form
    12,163.58/18,245.36 = 9,394.28/x
  3. Step 3: Cross multiply
    12,163.58x = 18,245.36 × 9,394.28
  4. Step 4: Simplify right side
    12,163.58x = 171,401,882.34
  5. Step 5: Solve for x
    x = 171,401,882.34/12,163.58
  6. Step 6: Final answer
    x = 14,091.41

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.