Home / 20,110.08-27,751.36-11,726

Finding the Fourth Proportional to 20,110.08, 27,751.36 and 11,726

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Solution

The fourth proportional to 20,110.08, 27,751.36 and 11,726 is: 16,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.08 : 27,751.36 = 11,726 : x
  2. Step 2: Convert to fraction form
    20,110.08/27,751.36 = 11,726/x
  3. Step 3: Cross multiply
    20,110.08x = 27,751.36 × 11,726
  4. Step 4: Simplify right side
    20,110.08x = 325,412,447.36
  5. Step 5: Solve for x
    x = 325,412,447.36/20,110.08
  6. Step 6: Final answer
    x = 16,181.56

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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.