Home / 19,968.66-27,556.34-11,016.95

Finding the Fourth Proportional to 19,968.66, 27,556.34 and 11,016.95

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Solution

The fourth proportional to 19,968.66, 27,556.34 and 11,016.95 is: 15,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.66 : 27,556.34 = 11,016.95 : x
  2. Step 2: Convert to fraction form
    19,968.66/27,556.34 = 11,016.95/x
  3. Step 3: Cross multiply
    19,968.66x = 27,556.34 × 11,016.95
  4. Step 4: Simplify right side
    19,968.66x = 303,586,627.10
  5. Step 5: Solve for x
    x = 303,586,627.10/19,968.66
  6. Step 6: Final answer
    x = 15,203.15

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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.