Home / 15,196.88-20,983.56-11,654.48

Finding the Fourth Proportional to 15,196.88, 20,983.56 and 11,654.48

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Solution

The fourth proportional to 15,196.88, 20,983.56 and 11,654.48 is: 16,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.88 : 20,983.56 = 11,654.48 : x
  2. Step 2: Convert to fraction form
    15,196.88/20,983.56 = 11,654.48/x
  3. Step 3: Cross multiply
    15,196.88x = 20,983.56 × 11,654.48
  4. Step 4: Simplify right side
    15,196.88x = 244,552,480.35
  5. Step 5: Solve for x
    x = 244,552,480.35/15,196.88
  6. Step 6: Final answer
    x = 16,092.28

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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.