Home / 18,076.28-27,116.19-4,928.65

Finding the Fourth Proportional to 18,076.28, 27,116.19 and 4,928.65

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Solution

The fourth proportional to 18,076.28, 27,116.19 and 4,928.65 is: 7,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.28 : 27,116.19 = 4,928.65 : x
  2. Step 2: Convert to fraction form
    18,076.28/27,116.19 = 4,928.65/x
  3. Step 3: Cross multiply
    18,076.28x = 27,116.19 × 4,928.65
  4. Step 4: Simplify right side
    18,076.28x = 133,646,142.05
  5. Step 5: Solve for x
    x = 133,646,142.05/18,076.28
  6. Step 6: Final answer
    x = 7,393.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.