Home / 18,743.96-25,866.70-10,786.02

Finding the Fourth Proportional to 18,743.96, 25,866.70 and 10,786.02

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Solution

The fourth proportional to 18,743.96, 25,866.70 and 10,786.02 is: 14,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.96 : 25,866.70 = 10,786.02 : x
  2. Step 2: Convert to fraction form
    18,743.96/25,866.70 = 10,786.02/x
  3. Step 3: Cross multiply
    18,743.96x = 25,866.70 × 10,786.02
  4. Step 4: Simplify right side
    18,743.96x = 278,998,743.53
  5. Step 5: Solve for x
    x = 278,998,743.53/18,743.96
  6. Step 6: Final answer
    x = 14,884.73

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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.