Home / 18,694.25-25,798.61-10,311.29

Finding the Fourth Proportional to 18,694.25, 25,798.61 and 10,311.29

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Solution

The fourth proportional to 18,694.25, 25,798.61 and 10,311.29 is: 14,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.25 : 25,798.61 = 10,311.29 : x
  2. Step 2: Convert to fraction form
    18,694.25/25,798.61 = 10,311.29/x
  3. Step 3: Cross multiply
    18,694.25x = 25,798.61 × 10,311.29
  4. Step 4: Simplify right side
    18,694.25x = 266,016,897.75
  5. Step 5: Solve for x
    x = 266,016,897.75/18,694.25
  6. Step 6: Final answer
    x = 14,229.88

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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.