Home / 12,866.82-19,306.23-4,553.11

Finding the Fourth Proportional to 12,866.82, 19,306.23 and 4,553.11

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Solution

The fourth proportional to 12,866.82, 19,306.23 and 4,553.11 is: 6,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.82 : 19,306.23 = 4,553.11 : x
  2. Step 2: Convert to fraction form
    12,866.82/19,306.23 = 4,553.11/x
  3. Step 3: Cross multiply
    12,866.82x = 19,306.23 × 4,553.11
  4. Step 4: Simplify right side
    12,866.82x = 87,903,388.88
  5. Step 5: Solve for x
    x = 87,903,388.88/12,866.82
  6. Step 6: Final answer
    x = 6,831.79

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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.