Home / 20,080.51-27,714.99-11,588.11

Finding the Fourth Proportional to 20,080.51, 27,714.99 and 11,588.11

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Solution

The fourth proportional to 20,080.51, 27,714.99 and 11,588.11 is: 15,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.51 : 27,714.99 = 11,588.11 : x
  2. Step 2: Convert to fraction form
    20,080.51/27,714.99 = 11,588.11/x
  3. Step 3: Cross multiply
    20,080.51x = 27,714.99 × 11,588.11
  4. Step 4: Simplify right side
    20,080.51x = 321,164,352.77
  5. Step 5: Solve for x
    x = 321,164,352.77/20,080.51
  6. Step 6: Final answer
    x = 15,993.83

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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.