Home / 19,568.40-27,004.92-11,617.20

Finding the Fourth Proportional to 19,568.40, 27,004.92 and 11,617.20

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Solution

The fourth proportional to 19,568.40, 27,004.92 and 11,617.20 is: 16,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.40 : 27,004.92 = 11,617.20 : x
  2. Step 2: Convert to fraction form
    19,568.40/27,004.92 = 11,617.20/x
  3. Step 3: Cross multiply
    19,568.40x = 27,004.92 × 11,617.20
  4. Step 4: Simplify right side
    19,568.40x = 313,721,556.62
  5. Step 5: Solve for x
    x = 313,721,556.62/19,568.40
  6. Step 6: Final answer
    x = 16,032.05

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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.