Home / 16,976.85-25,416-10,382.91

Finding the Fourth Proportional to 16,976.85, 25,416 and 10,382.91

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Solution

The fourth proportional to 16,976.85, 25,416 and 10,382.91 is: 15,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.85 : 25,416 = 10,382.91 : x
  2. Step 2: Convert to fraction form
    16,976.85/25,416 = 10,382.91/x
  3. Step 3: Cross multiply
    16,976.85x = 25,416 × 10,382.91
  4. Step 4: Simplify right side
    16,976.85x = 263,892,040.56
  5. Step 5: Solve for x
    x = 263,892,040.56/16,976.85
  6. Step 6: Final answer
    x = 15,544.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.