Home / 20,174.14-27,839.82-11,675.08

Finding the Fourth Proportional to 20,174.14, 27,839.82 and 11,675.08

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Solution

The fourth proportional to 20,174.14, 27,839.82 and 11,675.08 is: 16,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.14 : 27,839.82 = 11,675.08 : x
  2. Step 2: Convert to fraction form
    20,174.14/27,839.82 = 11,675.08/x
  3. Step 3: Cross multiply
    20,174.14x = 27,839.82 × 11,675.08
  4. Step 4: Simplify right side
    20,174.14x = 325,032,125.69
  5. Step 5: Solve for x
    x = 325,032,125.69/20,174.14
  6. Step 6: Final answer
    x = 16,111.32

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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.