Home / 22,400.91-33,622.12-11,315.37

Finding the Fourth Proportional to 22,400.91, 33,622.12 and 11,315.37

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Solution

The fourth proportional to 22,400.91, 33,622.12 and 11,315.37 is: 16,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.91 : 33,622.12 = 11,315.37 : x
  2. Step 2: Convert to fraction form
    22,400.91/33,622.12 = 11,315.37/x
  3. Step 3: Cross multiply
    22,400.91x = 33,622.12 × 11,315.37
  4. Step 4: Simplify right side
    22,400.91x = 380,446,559.87
  5. Step 5: Solve for x
    x = 380,446,559.87/22,400.91
  6. Step 6: Final answer
    x = 16,983.53

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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.