Home / 12,133.11-18,227.24-10,472.41

Finding the Fourth Proportional to 12,133.11, 18,227.24 and 10,472.41

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Solution

The fourth proportional to 12,133.11, 18,227.24 and 10,472.41 is: 15,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.11 : 18,227.24 = 10,472.41 : x
  2. Step 2: Convert to fraction form
    12,133.11/18,227.24 = 10,472.41/x
  3. Step 3: Cross multiply
    12,133.11x = 18,227.24 × 10,472.41
  4. Step 4: Simplify right side
    12,133.11x = 190,883,130.45
  5. Step 5: Solve for x
    x = 190,883,130.45/12,133.11
  6. Step 6: Final answer
    x = 15,732.42

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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.