Home / 20,167.90-27,832.37-11,093.64

Finding the Fourth Proportional to 20,167.90, 27,832.37 and 11,093.64

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Solution

The fourth proportional to 20,167.90, 27,832.37 and 11,093.64 is: 15,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.90 : 27,832.37 = 11,093.64 : x
  2. Step 2: Convert to fraction form
    20,167.90/27,832.37 = 11,093.64/x
  3. Step 3: Cross multiply
    20,167.90x = 27,832.37 × 11,093.64
  4. Step 4: Simplify right side
    20,167.90x = 308,762,133.29
  5. Step 5: Solve for x
    x = 308,762,133.29/20,167.90
  6. Step 6: Final answer
    x = 15,309.58

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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.