Home / 19,635.94-27,096.06-11,138.14

Finding the Fourth Proportional to 19,635.94, 27,096.06 and 11,138.14

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Solution

The fourth proportional to 19,635.94, 27,096.06 and 11,138.14 is: 15,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.94 : 27,096.06 = 11,138.14 : x
  2. Step 2: Convert to fraction form
    19,635.94/27,096.06 = 11,138.14/x
  3. Step 3: Cross multiply
    19,635.94x = 27,096.06 × 11,138.14
  4. Step 4: Simplify right side
    19,635.94x = 301,799,709.73
  5. Step 5: Solve for x
    x = 301,799,709.73/19,635.94
  6. Step 6: Final answer
    x = 15,369.76

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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.