Home / 18,540.88-25,586.62-10,157.38

Finding the Fourth Proportional to 18,540.88, 25,586.62 and 10,157.38

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Solution

The fourth proportional to 18,540.88, 25,586.62 and 10,157.38 is: 14,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.88 : 25,586.62 = 10,157.38 : x
  2. Step 2: Convert to fraction form
    18,540.88/25,586.62 = 10,157.38/x
  3. Step 3: Cross multiply
    18,540.88x = 25,586.62 × 10,157.38
  4. Step 4: Simplify right side
    18,540.88x = 259,893,022.26
  5. Step 5: Solve for x
    x = 259,893,022.26/18,540.88
  6. Step 6: Final answer
    x = 14,017.30

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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.