Home / 20,106.62-27,751.07-11,614.22

Finding the Fourth Proportional to 20,106.62, 27,751.07 and 11,614.22

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Solution

The fourth proportional to 20,106.62, 27,751.07 and 11,614.22 is: 16,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.62 : 27,751.07 = 11,614.22 : x
  2. Step 2: Convert to fraction form
    20,106.62/27,751.07 = 11,614.22/x
  3. Step 3: Cross multiply
    20,106.62x = 27,751.07 × 11,614.22
  4. Step 4: Simplify right side
    20,106.62x = 322,307,032.22
  5. Step 5: Solve for x
    x = 322,307,032.22/20,106.62
  6. Step 6: Final answer
    x = 16,029.90

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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.