Home / 20,193.33-27,864.79-11,698.19

Finding the Fourth Proportional to 20,193.33, 27,864.79 and 11,698.19

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Solution

The fourth proportional to 20,193.33, 27,864.79 and 11,698.19 is: 16,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.33 : 27,864.79 = 11,698.19 : x
  2. Step 2: Convert to fraction form
    20,193.33/27,864.79 = 11,698.19/x
  3. Step 3: Cross multiply
    20,193.33x = 27,864.79 × 11,698.19
  4. Step 4: Simplify right side
    20,193.33x = 325,967,766.20
  5. Step 5: Solve for x
    x = 325,967,766.20/20,193.33
  6. Step 6: Final answer
    x = 16,142.35

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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.