Home / 18,986.54-26,175.07-16,361.90

Finding the Fourth Proportional to 18,986.54, 26,175.07 and 16,361.90

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Solution

The fourth proportional to 18,986.54, 26,175.07 and 16,361.90 is: 22,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.54 : 26,175.07 = 16,361.90 : x
  2. Step 2: Convert to fraction form
    18,986.54/26,175.07 = 16,361.90/x
  3. Step 3: Cross multiply
    18,986.54x = 26,175.07 × 16,361.90
  4. Step 4: Simplify right side
    18,986.54x = 428,273,877.83
  5. Step 5: Solve for x
    x = 428,273,877.83/18,986.54
  6. Step 6: Final answer
    x = 22,556.71

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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.