Home / 22,290.78-33,435.36-6,708

Finding the Fourth Proportional to 22,290.78, 33,435.36 and 6,708

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Solution

The fourth proportional to 22,290.78, 33,435.36 and 6,708 is: 10,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.78 : 33,435.36 = 6,708 : x
  2. Step 2: Convert to fraction form
    22,290.78/33,435.36 = 6,708/x
  3. Step 3: Cross multiply
    22,290.78x = 33,435.36 × 6,708
  4. Step 4: Simplify right side
    22,290.78x = 224,284,394.88
  5. Step 5: Solve for x
    x = 224,284,394.88/22,290.78
  6. Step 6: Final answer
    x = 10,061.76

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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.