Home / 16,105.57-22,214.44-15,563.68

Finding the Fourth Proportional to 16,105.57, 22,214.44 and 15,563.68

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Solution

The fourth proportional to 16,105.57, 22,214.44 and 15,563.68 is: 21,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.57 : 22,214.44 = 15,563.68 : x
  2. Step 2: Convert to fraction form
    16,105.57/22,214.44 = 15,563.68/x
  3. Step 3: Cross multiply
    16,105.57x = 22,214.44 × 15,563.68
  4. Step 4: Simplify right side
    16,105.57x = 345,738,435.54
  5. Step 5: Solve for x
    x = 345,738,435.54/16,105.57
  6. Step 6: Final answer
    x = 21,467.01

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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.