Home / 18,521.46-25,560.23-10,137.96

Finding the Fourth Proportional to 18,521.46, 25,560.23 and 10,137.96

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Solution

The fourth proportional to 18,521.46, 25,560.23 and 10,137.96 is: 13,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.46 : 25,560.23 = 10,137.96 : x
  2. Step 2: Convert to fraction form
    18,521.46/25,560.23 = 10,137.96/x
  3. Step 3: Cross multiply
    18,521.46x = 25,560.23 × 10,137.96
  4. Step 4: Simplify right side
    18,521.46x = 259,128,589.33
  5. Step 5: Solve for x
    x = 259,128,589.33/18,521.46
  6. Step 6: Final answer
    x = 13,990.72

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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.