Home / 20,063.08-27,687.43-11,110.81

Finding the Fourth Proportional to 20,063.08, 27,687.43 and 11,110.81

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Solution

The fourth proportional to 20,063.08, 27,687.43 and 11,110.81 is: 15,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.08 : 27,687.43 = 11,110.81 : x
  2. Step 2: Convert to fraction form
    20,063.08/27,687.43 = 11,110.81/x
  3. Step 3: Cross multiply
    20,063.08x = 27,687.43 × 11,110.81
  4. Step 4: Simplify right side
    20,063.08x = 307,629,774.12
  5. Step 5: Solve for x
    x = 307,629,774.12/20,063.08
  6. Step 6: Final answer
    x = 15,333.13

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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.