Home / 18,252.41-25,183.31-10,986.57

Finding the Fourth Proportional to 18,252.41, 25,183.31 and 10,986.57

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Solution

The fourth proportional to 18,252.41, 25,183.31 and 10,986.57 is: 15,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.41 : 25,183.31 = 10,986.57 : x
  2. Step 2: Convert to fraction form
    18,252.41/25,183.31 = 10,986.57/x
  3. Step 3: Cross multiply
    18,252.41x = 25,183.31 × 10,986.57
  4. Step 4: Simplify right side
    18,252.41x = 276,678,143.21
  5. Step 5: Solve for x
    x = 276,678,143.21/18,252.41
  6. Step 6: Final answer
    x = 15,158.45

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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.