Home / 18,825.42-25,968.29-11,739.54

Finding the Fourth Proportional to 18,825.42, 25,968.29 and 11,739.54

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Solution

The fourth proportional to 18,825.42, 25,968.29 and 11,739.54 is: 16,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.42 : 25,968.29 = 11,739.54 : x
  2. Step 2: Convert to fraction form
    18,825.42/25,968.29 = 11,739.54/x
  3. Step 3: Cross multiply
    18,825.42x = 25,968.29 × 11,739.54
  4. Step 4: Simplify right side
    18,825.42x = 304,855,720.49
  5. Step 5: Solve for x
    x = 304,855,720.49/18,825.42
  6. Step 6: Final answer
    x = 16,193.83

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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.