Home / 20,096.86-27,733.67-11,145.73

Finding the Fourth Proportional to 20,096.86, 27,733.67 and 11,145.73

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Solution

The fourth proportional to 20,096.86, 27,733.67 and 11,145.73 is: 15,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.86 : 27,733.67 = 11,145.73 : x
  2. Step 2: Convert to fraction form
    20,096.86/27,733.67 = 11,145.73/x
  3. Step 3: Cross multiply
    20,096.86x = 27,733.67 × 11,145.73
  4. Step 4: Simplify right side
    20,096.86x = 309,111,857.12
  5. Step 5: Solve for x
    x = 309,111,857.12/20,096.86
  6. Step 6: Final answer
    x = 15,381.10

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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.