Home / 18,517.27-25,553.33-10,559.31

Finding the Fourth Proportional to 18,517.27, 25,553.33 and 10,559.31

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Solution

The fourth proportional to 18,517.27, 25,553.33 and 10,559.31 is: 14,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.27 : 25,553.33 = 10,559.31 : x
  2. Step 2: Convert to fraction form
    18,517.27/25,553.33 = 10,559.31/x
  3. Step 3: Cross multiply
    18,517.27x = 25,553.33 × 10,559.31
  4. Step 4: Simplify right side
    18,517.27x = 269,825,533.00
  5. Step 5: Solve for x
    x = 269,825,533.00/18,517.27
  6. Step 6: Final answer
    x = 14,571.56

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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.