Home / 18,493.42-25,517.94-10,535.80

Finding the Fourth Proportional to 18,493.42, 25,517.94 and 10,535.80

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Solution

The fourth proportional to 18,493.42, 25,517.94 and 10,535.80 is: 14,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.42 : 25,517.94 = 10,535.80 : x
  2. Step 2: Convert to fraction form
    18,493.42/25,517.94 = 10,535.80/x
  3. Step 3: Cross multiply
    18,493.42x = 25,517.94 × 10,535.80
  4. Step 4: Simplify right side
    18,493.42x = 268,851,912.25
  5. Step 5: Solve for x
    x = 268,851,912.25/18,493.42
  6. Step 6: Final answer
    x = 14,537.71

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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.