Home / 20,060.33-27,684.80-11,108.66

Finding the Fourth Proportional to 20,060.33, 27,684.80 and 11,108.66

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Solution

The fourth proportional to 20,060.33, 27,684.80 and 11,108.66 is: 15,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.33 : 27,684.80 = 11,108.66 : x
  2. Step 2: Convert to fraction form
    20,060.33/27,684.80 = 11,108.66/x
  3. Step 3: Cross multiply
    20,060.33x = 27,684.80 × 11,108.66
  4. Step 4: Simplify right side
    20,060.33x = 307,540,836.40
  5. Step 5: Solve for x
    x = 307,540,836.40/20,060.33
  6. Step 6: Final answer
    x = 15,330.80

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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.