Home / 20,043.35-27,659.41-11,090.32

Finding the Fourth Proportional to 20,043.35, 27,659.41 and 11,090.32

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Solution

The fourth proportional to 20,043.35, 27,659.41 and 11,090.32 is: 15,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.35 : 27,659.41 = 11,090.32 : x
  2. Step 2: Convert to fraction form
    20,043.35/27,659.41 = 11,090.32/x
  3. Step 3: Cross multiply
    20,043.35x = 27,659.41 × 11,090.32
  4. Step 4: Simplify right side
    20,043.35x = 306,751,829.00
  5. Step 5: Solve for x
    x = 306,751,829.00/20,043.35
  6. Step 6: Final answer
    x = 15,304.42

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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.