Home / 19,580.88-27,028.44-11,629.92

Finding the Fourth Proportional to 19,580.88, 27,028.44 and 11,629.92

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Solution

The fourth proportional to 19,580.88, 27,028.44 and 11,629.92 is: 16,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.88 : 27,028.44 = 11,629.92 : x
  2. Step 2: Convert to fraction form
    19,580.88/27,028.44 = 11,629.92/x
  3. Step 3: Cross multiply
    19,580.88x = 27,028.44 × 11,629.92
  4. Step 4: Simplify right side
    19,580.88x = 314,338,594.92
  5. Step 5: Solve for x
    x = 314,338,594.92/19,580.88
  6. Step 6: Final answer
    x = 16,053.34

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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.