Home / 13,189.94-18,204.81-8,942.36

Finding the Fourth Proportional to 13,189.94, 18,204.81 and 8,942.36

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Solution

The fourth proportional to 13,189.94, 18,204.81 and 8,942.36 is: 12,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.94 : 18,204.81 = 8,942.36 : x
  2. Step 2: Convert to fraction form
    13,189.94/18,204.81 = 8,942.36/x
  3. Step 3: Cross multiply
    13,189.94x = 18,204.81 × 8,942.36
  4. Step 4: Simplify right side
    13,189.94x = 162,794,031.97
  5. Step 5: Solve for x
    x = 162,794,031.97/13,189.94
  6. Step 6: Final answer
    x = 12,342.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.