Home / 22,379.84-33,562.25-11,279.45

Finding the Fourth Proportional to 22,379.84, 33,562.25 and 11,279.45

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Solution

The fourth proportional to 22,379.84, 33,562.25 and 11,279.45 is: 16,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.84 : 33,562.25 = 11,279.45 : x
  2. Step 2: Convert to fraction form
    22,379.84/33,562.25 = 11,279.45/x
  3. Step 3: Cross multiply
    22,379.84x = 33,562.25 × 11,279.45
  4. Step 4: Simplify right side
    22,379.84x = 378,563,790.57
  5. Step 5: Solve for x
    x = 378,563,790.57/22,379.84
  6. Step 6: Final answer
    x = 16,915.39

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1.5x scale

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.