Home / 20,076.17-27,705.17-11,123.60

Finding the Fourth Proportional to 20,076.17, 27,705.17 and 11,123.60

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Solution

The fourth proportional to 20,076.17, 27,705.17 and 11,123.60 is: 15,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.17 : 27,705.17 = 11,123.60 : x
  2. Step 2: Convert to fraction form
    20,076.17/27,705.17 = 11,123.60/x
  3. Step 3: Cross multiply
    20,076.17x = 27,705.17 × 11,123.60
  4. Step 4: Simplify right side
    20,076.17x = 308,181,173.39
  5. Step 5: Solve for x
    x = 308,181,173.39/20,076.17
  6. Step 6: Final answer
    x = 15,350.60

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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.