Home / 18,769.44-25,897.92-10,809.56

Finding the Fourth Proportional to 18,769.44, 25,897.92 and 10,809.56

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Solution

The fourth proportional to 18,769.44, 25,897.92 and 10,809.56 is: 14,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.44 : 25,897.92 = 10,809.56 : x
  2. Step 2: Convert to fraction form
    18,769.44/25,897.92 = 10,809.56/x
  3. Step 3: Cross multiply
    18,769.44x = 25,897.92 × 10,809.56
  4. Step 4: Simplify right side
    18,769.44x = 279,945,120.12
  5. Step 5: Solve for x
    x = 279,945,120.12/18,769.44
  6. Step 6: Final answer
    x = 14,914.94

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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.