Home / 19,969.32-27,556.48-11,016.84

Finding the Fourth Proportional to 19,969.32, 27,556.48 and 11,016.84

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Solution

The fourth proportional to 19,969.32, 27,556.48 and 11,016.84 is: 15,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.32 : 27,556.48 = 11,016.84 : x
  2. Step 2: Convert to fraction form
    19,969.32/27,556.48 = 11,016.84/x
  3. Step 3: Cross multiply
    19,969.32x = 27,556.48 × 11,016.84
  4. Step 4: Simplify right side
    19,969.32x = 303,585,331.12
  5. Step 5: Solve for x
    x = 303,585,331.12/19,969.32
  6. Step 6: Final answer
    x = 15,202.59

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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.