Home / 22,209.74-33,320.37-11,115.98

Finding the Fourth Proportional to 22,209.74, 33,320.37 and 11,115.98

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Solution

The fourth proportional to 22,209.74, 33,320.37 and 11,115.98 is: 16,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.74 : 33,320.37 = 11,115.98 : x
  2. Step 2: Convert to fraction form
    22,209.74/33,320.37 = 11,115.98/x
  3. Step 3: Cross multiply
    22,209.74x = 33,320.37 × 11,115.98
  4. Step 4: Simplify right side
    22,209.74x = 370,388,566.51
  5. Step 5: Solve for x
    x = 370,388,566.51/22,209.74
  6. Step 6: Final answer
    x = 16,676.85

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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.