Home / 20,086.97-27,718.02-11,134.25

Finding the Fourth Proportional to 20,086.97, 27,718.02 and 11,134.25

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Solution

The fourth proportional to 20,086.97, 27,718.02 and 11,134.25 is: 15,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086.97 : 27,718.02 = 11,134.25 : x
  2. Step 2: Convert to fraction form
    20,086.97/27,718.02 = 11,134.25/x
  3. Step 3: Cross multiply
    20,086.97x = 27,718.02 × 11,134.25
  4. Step 4: Simplify right side
    20,086.97x = 308,619,225.59
  5. Step 5: Solve for x
    x = 308,619,225.59/20,086.97
  6. Step 6: Final answer
    x = 15,364.15

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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.