Home / 19,906.36-27,469.73-10,953.53

Finding the Fourth Proportional to 19,906.36, 27,469.73 and 10,953.53

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Solution

The fourth proportional to 19,906.36, 27,469.73 and 10,953.53 is: 15,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.36 : 27,469.73 = 10,953.53 : x
  2. Step 2: Convert to fraction form
    19,906.36/27,469.73 = 10,953.53/x
  3. Step 3: Cross multiply
    19,906.36x = 27,469.73 × 10,953.53
  4. Step 4: Simplify right side
    19,906.36x = 300,890,504.69
  5. Step 5: Solve for x
    x = 300,890,504.69/19,906.36
  6. Step 6: Final answer
    x = 15,115.30

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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.