Home / 22,137.44-30,550.96-12,709.04

Finding the Fourth Proportional to 22,137.44, 30,550.96 and 12,709.04

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Solution

The fourth proportional to 22,137.44, 30,550.96 and 12,709.04 is: 17,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.44 : 30,550.96 = 12,709.04 : x
  2. Step 2: Convert to fraction form
    22,137.44/30,550.96 = 12,709.04/x
  3. Step 3: Cross multiply
    22,137.44x = 30,550.96 × 12,709.04
  4. Step 4: Simplify right side
    22,137.44x = 388,273,372.68
  5. Step 5: Solve for x
    x = 388,273,372.68/22,137.44
  6. Step 6: Final answer
    x = 17,539.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.