Home / 22,228.20-33,415.20-19,020.60

Finding the Fourth Proportional to 22,228.20, 33,415.20 and 19,020.60

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Solution

The fourth proportional to 22,228.20, 33,415.20 and 19,020.60 is: 28,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.20 : 33,415.20 = 19,020.60 : x
  2. Step 2: Convert to fraction form
    22,228.20/33,415.20 = 19,020.60/x
  3. Step 3: Cross multiply
    22,228.20x = 33,415.20 × 19,020.60
  4. Step 4: Simplify right side
    22,228.20x = 635,577,153.12
  5. Step 5: Solve for x
    x = 635,577,153.12/22,228.20
  6. Step 6: Final answer
    x = 28,593.28

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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.