Home / 19,662.14-27,133.79-11,704.64

Finding the Fourth Proportional to 19,662.14, 27,133.79 and 11,704.64

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Solution

The fourth proportional to 19,662.14, 27,133.79 and 11,704.64 is: 16,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.14 : 27,133.79 = 11,704.64 : x
  2. Step 2: Convert to fraction form
    19,662.14/27,133.79 = 11,704.64/x
  3. Step 3: Cross multiply
    19,662.14x = 27,133.79 × 11,704.64
  4. Step 4: Simplify right side
    19,662.14x = 317,591,049.59
  5. Step 5: Solve for x
    x = 317,591,049.59/19,662.14
  6. Step 6: Final answer
    x = 16,152.41

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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.