Home / 22,138.02-33,221.61-10,452.42

Finding the Fourth Proportional to 22,138.02, 33,221.61 and 10,452.42

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Solution

The fourth proportional to 22,138.02, 33,221.61 and 10,452.42 is: 15,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.02 : 33,221.61 = 10,452.42 : x
  2. Step 2: Convert to fraction form
    22,138.02/33,221.61 = 10,452.42/x
  3. Step 3: Cross multiply
    22,138.02x = 33,221.61 × 10,452.42
  4. Step 4: Simplify right side
    22,138.02x = 347,246,220.80
  5. Step 5: Solve for x
    x = 347,246,220.80/22,138.02
  6. Step 6: Final answer
    x = 15,685.51

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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.