Home / 20,006.19-27,612.39-11,514.03

Finding the Fourth Proportional to 20,006.19, 27,612.39 and 11,514.03

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Solution

The fourth proportional to 20,006.19, 27,612.39 and 11,514.03 is: 15,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.19 : 27,612.39 = 11,514.03 : x
  2. Step 2: Convert to fraction form
    20,006.19/27,612.39 = 11,514.03/x
  3. Step 3: Cross multiply
    20,006.19x = 27,612.39 × 11,514.03
  4. Step 4: Simplify right side
    20,006.19x = 317,929,886.83
  5. Step 5: Solve for x
    x = 317,929,886.83/20,006.19
  6. Step 6: Final answer
    x = 15,891.58

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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.