Home / 19,580.82-27,021.56-11,197.32

Finding the Fourth Proportional to 19,580.82, 27,021.56 and 11,197.32

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Solution

The fourth proportional to 19,580.82, 27,021.56 and 11,197.32 is: 15,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.82 : 27,021.56 = 11,197.32 : x
  2. Step 2: Convert to fraction form
    19,580.82/27,021.56 = 11,197.32/x
  3. Step 3: Cross multiply
    19,580.82x = 27,021.56 × 11,197.32
  4. Step 4: Simplify right side
    19,580.82x = 302,568,998.23
  5. Step 5: Solve for x
    x = 302,568,998.23/19,580.82
  6. Step 6: Final answer
    x = 15,452.31

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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.