Home / 20,016.09-27,622.08-11,402.37

Finding the Fourth Proportional to 20,016.09, 27,622.08 and 11,402.37

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Solution

The fourth proportional to 20,016.09, 27,622.08 and 11,402.37 is: 15,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.09 : 27,622.08 = 11,402.37 : x
  2. Step 2: Convert to fraction form
    20,016.09/27,622.08 = 11,402.37/x
  3. Step 3: Cross multiply
    20,016.09x = 27,622.08 × 11,402.37
  4. Step 4: Simplify right side
    20,016.09x = 314,957,176.33
  5. Step 5: Solve for x
    x = 314,957,176.33/20,016.09
  6. Step 6: Final answer
    x = 15,735.20

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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.