Home / 22,091.80-33,137.70-7,301.20

Finding the Fourth Proportional to 22,091.80, 33,137.70 and 7,301.20

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Solution

The fourth proportional to 22,091.80, 33,137.70 and 7,301.20 is: 10,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.80 : 33,137.70 = 7,301.20 : x
  2. Step 2: Convert to fraction form
    22,091.80/33,137.70 = 7,301.20/x
  3. Step 3: Cross multiply
    22,091.80x = 33,137.70 × 7,301.20
  4. Step 4: Simplify right side
    22,091.80x = 241,944,975.24
  5. Step 5: Solve for x
    x = 241,944,975.24/22,091.80
  6. Step 6: Final answer
    x = 10,951.80

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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.