Home / 16,880.16-25,318.62-5,193.48

Finding the Fourth Proportional to 16,880.16, 25,318.62 and 5,193.48

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Solution

The fourth proportional to 16,880.16, 25,318.62 and 5,193.48 is: 7,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.16 : 25,318.62 = 5,193.48 : x
  2. Step 2: Convert to fraction form
    16,880.16/25,318.62 = 5,193.48/x
  3. Step 3: Cross multiply
    16,880.16x = 25,318.62 × 5,193.48
  4. Step 4: Simplify right side
    16,880.16x = 131,491,746.60
  5. Step 5: Solve for x
    x = 131,491,746.60/16,880.16
  6. Step 6: Final answer
    x = 7,789.72

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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.