Home / 20,033.59-27,646.60-11,080.86

Finding the Fourth Proportional to 20,033.59, 27,646.60 and 11,080.86

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Solution

The fourth proportional to 20,033.59, 27,646.60 and 11,080.86 is: 15,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.59 : 27,646.60 = 11,080.86 : x
  2. Step 2: Convert to fraction form
    20,033.59/27,646.60 = 11,080.86/x
  3. Step 3: Cross multiply
    20,033.59x = 27,646.60 × 11,080.86
  4. Step 4: Simplify right side
    20,033.59x = 306,348,104.08
  5. Step 5: Solve for x
    x = 306,348,104.08/20,033.59
  6. Step 6: Final answer
    x = 15,291.72

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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.