Home / 19,627.25-27,087.89-11,015.81

Finding the Fourth Proportional to 19,627.25, 27,087.89 and 11,015.81

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Solution

The fourth proportional to 19,627.25, 27,087.89 and 11,015.81 is: 15,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.25 : 27,087.89 = 11,015.81 : x
  2. Step 2: Convert to fraction form
    19,627.25/27,087.89 = 11,015.81/x
  3. Step 3: Cross multiply
    19,627.25x = 27,087.89 × 11,015.81
  4. Step 4: Simplify right side
    19,627.25x = 298,394,859.02
  5. Step 5: Solve for x
    x = 298,394,859.02/19,627.25
  6. Step 6: Final answer
    x = 15,203.09

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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.