Home / 18,414.85-25,411.67-10,758.83

Finding the Fourth Proportional to 18,414.85, 25,411.67 and 10,758.83

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Solution

The fourth proportional to 18,414.85, 25,411.67 and 10,758.83 is: 14,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.85 : 25,411.67 = 10,758.83 : x
  2. Step 2: Convert to fraction form
    18,414.85/25,411.67 = 10,758.83/x
  3. Step 3: Cross multiply
    18,414.85x = 25,411.67 × 10,758.83
  4. Step 4: Simplify right side
    18,414.85x = 273,399,837.55
  5. Step 5: Solve for x
    x = 273,399,837.55/18,414.85
  6. Step 6: Final answer
    x = 14,846.71

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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.