Home / 22,193.30-30,625.53-12,997.64

Finding the Fourth Proportional to 22,193.30, 30,625.53 and 12,997.64

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Solution

The fourth proportional to 22,193.30, 30,625.53 and 12,997.64 is: 17,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.30 : 30,625.53 = 12,997.64 : x
  2. Step 2: Convert to fraction form
    22,193.30/30,625.53 = 12,997.64/x
  3. Step 3: Cross multiply
    22,193.30x = 30,625.53 × 12,997.64
  4. Step 4: Simplify right side
    22,193.30x = 398,059,613.75
  5. Step 5: Solve for x
    x = 398,059,613.75/22,193.30
  6. Step 6: Final answer
    x = 17,936.03

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Double scale
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Similar ratio
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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.