Home / 18,674.26-25,771.75-11,409.46

Finding the Fourth Proportional to 18,674.26, 25,771.75 and 11,409.46

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Solution

The fourth proportional to 18,674.26, 25,771.75 and 11,409.46 is: 15,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.26 : 25,771.75 = 11,409.46 : x
  2. Step 2: Convert to fraction form
    18,674.26/25,771.75 = 11,409.46/x
  3. Step 3: Cross multiply
    18,674.26x = 25,771.75 × 11,409.46
  4. Step 4: Simplify right side
    18,674.26x = 294,041,657.80
  5. Step 5: Solve for x
    x = 294,041,657.80/18,674.26
  6. Step 6: Final answer
    x = 15,745.83

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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.