Home / 18,631.71-27,965.13-6,796.92

Finding the Fourth Proportional to 18,631.71, 27,965.13 and 6,796.92

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Solution

The fourth proportional to 18,631.71, 27,965.13 and 6,796.92 is: 10,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.71 : 27,965.13 = 6,796.92 : x
  2. Step 2: Convert to fraction form
    18,631.71/27,965.13 = 6,796.92/x
  3. Step 3: Cross multiply
    18,631.71x = 27,965.13 × 6,796.92
  4. Step 4: Simplify right side
    18,631.71x = 190,076,751.40
  5. Step 5: Solve for x
    x = 190,076,751.40/18,631.71
  6. Step 6: Final answer
    x = 10,201.79

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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.