Home / 20,199.96-27,874.98-12,241.68

Finding the Fourth Proportional to 20,199.96, 27,874.98 and 12,241.68

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Solution

The fourth proportional to 20,199.96, 27,874.98 and 12,241.68 is: 16,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.96 : 27,874.98 = 12,241.68 : x
  2. Step 2: Convert to fraction form
    20,199.96/27,874.98 = 12,241.68/x
  3. Step 3: Cross multiply
    20,199.96x = 27,874.98 × 12,241.68
  4. Step 4: Simplify right side
    20,199.96x = 341,236,585.17
  5. Step 5: Solve for x
    x = 341,236,585.17/20,199.96
  6. Step 6: Final answer
    x = 16,892.93

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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.