Home / 20,104.04-27,745.26-11,721.08

Finding the Fourth Proportional to 20,104.04, 27,745.26 and 11,721.08

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Solution

The fourth proportional to 20,104.04, 27,745.26 and 11,721.08 is: 16,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.04 : 27,745.26 = 11,721.08 : x
  2. Step 2: Convert to fraction form
    20,104.04/27,745.26 = 11,721.08/x
  3. Step 3: Cross multiply
    20,104.04x = 27,745.26 × 11,721.08
  4. Step 4: Simplify right side
    20,104.04x = 325,204,412.08
  5. Step 5: Solve for x
    x = 325,204,412.08/20,104.04
  6. Step 6: Final answer
    x = 16,176.07

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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.