Home / 22,183.40-33,279.15-7,390.91

Finding the Fourth Proportional to 22,183.40, 33,279.15 and 7,390.91

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Solution

The fourth proportional to 22,183.40, 33,279.15 and 7,390.91 is: 11,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.40 : 33,279.15 = 7,390.91 : x
  2. Step 2: Convert to fraction form
    22,183.40/33,279.15 = 7,390.91/x
  3. Step 3: Cross multiply
    22,183.40x = 33,279.15 × 7,390.91
  4. Step 4: Simplify right side
    22,183.40x = 245,963,313.44
  5. Step 5: Solve for x
    x = 245,963,313.44/22,183.40
  6. Step 6: Final answer
    x = 11,087.72

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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.