Home / 22,187.44-33,111.34-19,820.87

Finding the Fourth Proportional to 22,187.44, 33,111.34 and 19,820.87

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Solution

The fourth proportional to 22,187.44, 33,111.34 and 19,820.87 is: 29,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.44 : 33,111.34 = 19,820.87 : x
  2. Step 2: Convert to fraction form
    22,187.44/33,111.34 = 19,820.87/x
  3. Step 3: Cross multiply
    22,187.44x = 33,111.34 × 19,820.87
  4. Step 4: Simplify right side
    22,187.44x = 656,295,350.56
  5. Step 5: Solve for x
    x = 656,295,350.56/22,187.44
  6. Step 6: Final answer
    x = 29,579.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.