Home / 16,680.23-25,020.65-5,584.85

Finding the Fourth Proportional to 16,680.23, 25,020.65 and 5,584.85

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Solution

The fourth proportional to 16,680.23, 25,020.65 and 5,584.85 is: 8,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.23 : 25,020.65 = 5,584.85 : x
  2. Step 2: Convert to fraction form
    16,680.23/25,020.65 = 5,584.85/x
  3. Step 3: Cross multiply
    16,680.23x = 25,020.65 × 5,584.85
  4. Step 4: Simplify right side
    16,680.23x = 139,736,653.67
  5. Step 5: Solve for x
    x = 139,736,653.67/16,680.23
  6. Step 6: Final answer
    x = 8,377.38

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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.