Home / 22,206.13-33,315.69-7,425.43

Finding the Fourth Proportional to 22,206.13, 33,315.69 and 7,425.43

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Solution

The fourth proportional to 22,206.13, 33,315.69 and 7,425.43 is: 11,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.13 : 33,315.69 = 7,425.43 : x
  2. Step 2: Convert to fraction form
    22,206.13/33,315.69 = 7,425.43/x
  3. Step 3: Cross multiply
    22,206.13x = 33,315.69 × 7,425.43
  4. Step 4: Simplify right side
    22,206.13x = 247,383,226.78
  5. Step 5: Solve for x
    x = 247,383,226.78/22,206.13
  6. Step 6: Final answer
    x = 11,140.31

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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.