Home / 22,156.49-33,230.78-8,828.37

Finding the Fourth Proportional to 22,156.49, 33,230.78 and 8,828.37

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Solution

The fourth proportional to 22,156.49, 33,230.78 and 8,828.37 is: 13,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.49 : 33,230.78 = 8,828.37 : x
  2. Step 2: Convert to fraction form
    22,156.49/33,230.78 = 8,828.37/x
  3. Step 3: Cross multiply
    22,156.49x = 33,230.78 × 8,828.37
  4. Step 4: Simplify right side
    22,156.49x = 293,373,455.07
  5. Step 5: Solve for x
    x = 293,373,455.07/22,156.49
  6. Step 6: Final answer
    x = 13,240.97

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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.