Home / 18,949.26-26,152.22-11,399.46

Finding the Fourth Proportional to 18,949.26, 26,152.22 and 11,399.46

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Solution

The fourth proportional to 18,949.26, 26,152.22 and 11,399.46 is: 15,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.26 : 26,152.22 = 11,399.46 : x
  2. Step 2: Convert to fraction form
    18,949.26/26,152.22 = 11,399.46/x
  3. Step 3: Cross multiply
    18,949.26x = 26,152.22 × 11,399.46
  4. Step 4: Simplify right side
    18,949.26x = 298,121,185.80
  5. Step 5: Solve for x
    x = 298,121,185.80/18,949.26
  6. Step 6: Final answer
    x = 15,732.60

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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.