Home / 19,968.16-27,555.90-11,016.04

Finding the Fourth Proportional to 19,968.16, 27,555.90 and 11,016.04

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Solution

The fourth proportional to 19,968.16, 27,555.90 and 11,016.04 is: 15,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.16 : 27,555.90 = 11,016.04 : x
  2. Step 2: Convert to fraction form
    19,968.16/27,555.90 = 11,016.04/x
  3. Step 3: Cross multiply
    19,968.16x = 27,555.90 × 11,016.04
  4. Step 4: Simplify right side
    19,968.16x = 303,556,896.64
  5. Step 5: Solve for x
    x = 303,556,896.64/19,968.16
  6. Step 6: Final answer
    x = 15,202.05

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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.