Home / 20,191.96-27,863.94-12,233.68

Finding the Fourth Proportional to 20,191.96, 27,863.94 and 12,233.68

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Solution

The fourth proportional to 20,191.96, 27,863.94 and 12,233.68 is: 16,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.96 : 27,863.94 = 12,233.68 : x
  2. Step 2: Convert to fraction form
    20,191.96/27,863.94 = 12,233.68/x
  3. Step 3: Cross multiply
    20,191.96x = 27,863.94 × 12,233.68
  4. Step 4: Simplify right side
    20,191.96x = 340,878,525.50
  5. Step 5: Solve for x
    x = 340,878,525.50/20,191.96
  6. Step 6: Final answer
    x = 16,881.89

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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.