Home / 22,114.10-33,149.55-19,781.30

Finding the Fourth Proportional to 22,114.10, 33,149.55 and 19,781.30

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Solution

The fourth proportional to 22,114.10, 33,149.55 and 19,781.30 is: 29,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.10 : 33,149.55 = 19,781.30 : x
  2. Step 2: Convert to fraction form
    22,114.10/33,149.55 = 19,781.30/x
  3. Step 3: Cross multiply
    22,114.10x = 33,149.55 × 19,781.30
  4. Step 4: Simplify right side
    22,114.10x = 655,741,193.42
  5. Step 5: Solve for x
    x = 655,741,193.42/22,114.10
  6. Step 6: Final answer
    x = 29,652.63

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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.