Home / 20,096.20-27,729.18-12,133.09

Finding the Fourth Proportional to 20,096.20, 27,729.18 and 12,133.09

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Solution

The fourth proportional to 20,096.20, 27,729.18 and 12,133.09 is: 16,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.20 : 27,729.18 = 12,133.09 : x
  2. Step 2: Convert to fraction form
    20,096.20/27,729.18 = 12,133.09/x
  3. Step 3: Cross multiply
    20,096.20x = 27,729.18 × 12,133.09
  4. Step 4: Simplify right side
    20,096.20x = 336,440,636.57
  5. Step 5: Solve for x
    x = 336,440,636.57/20,096.20
  6. Step 6: Final answer
    x = 16,741.51

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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.