Home / 20,236.35-27,926.18-11,283.66

Finding the Fourth Proportional to 20,236.35, 27,926.18 and 11,283.66

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Solution

The fourth proportional to 20,236.35, 27,926.18 and 11,283.66 is: 15,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.35 : 27,926.18 = 11,283.66 : x
  2. Step 2: Convert to fraction form
    20,236.35/27,926.18 = 11,283.66/x
  3. Step 3: Cross multiply
    20,236.35x = 27,926.18 × 11,283.66
  4. Step 4: Simplify right side
    20,236.35x = 315,109,463.80
  5. Step 5: Solve for x
    x = 315,109,463.80/20,236.35
  6. Step 6: Final answer
    x = 15,571.46

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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.