Home / 22,109.29-33,163.98-18,205.51

Finding the Fourth Proportional to 22,109.29, 33,163.98 and 18,205.51

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Solution

The fourth proportional to 22,109.29, 33,163.98 and 18,205.51 is: 27,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.29 : 33,163.98 = 18,205.51 : x
  2. Step 2: Convert to fraction form
    22,109.29/33,163.98 = 18,205.51/x
  3. Step 3: Cross multiply
    22,109.29x = 33,163.98 × 18,205.51
  4. Step 4: Simplify right side
    22,109.29x = 603,767,169.53
  5. Step 5: Solve for x
    x = 603,767,169.53/22,109.29
  6. Step 6: Final answer
    x = 27,308.30

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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.