Home / 20,168.28-27,829.94-11,669.08

Finding the Fourth Proportional to 20,168.28, 27,829.94 and 11,669.08

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Solution

The fourth proportional to 20,168.28, 27,829.94 and 11,669.08 is: 16,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.28 : 27,829.94 = 11,669.08 : x
  2. Step 2: Convert to fraction form
    20,168.28/27,829.94 = 11,669.08/x
  3. Step 3: Cross multiply
    20,168.28x = 27,829.94 × 11,669.08
  4. Step 4: Simplify right side
    20,168.28x = 324,749,796.26
  5. Step 5: Solve for x
    x = 324,749,796.26/20,168.28
  6. Step 6: Final answer
    x = 16,102.01

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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.