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Finding the Fourth Proportional to 18,559.23, 27,811.65 and 10,637.43

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Solution

The fourth proportional to 18,559.23, 27,811.65 and 10,637.43 is: 15,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.23 : 27,811.65 = 10,637.43 : x
  2. Step 2: Convert to fraction form
    18,559.23/27,811.65 = 10,637.43/x
  3. Step 3: Cross multiply
    18,559.23x = 27,811.65 × 10,637.43
  4. Step 4: Simplify right side
    18,559.23x = 295,844,415.66
  5. Step 5: Solve for x
    x = 295,844,415.66/18,559.23
  6. Step 6: Final answer
    x = 15,940.56

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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.