Home / 16,782.64-25,172.22-5,689.04

Finding the Fourth Proportional to 16,782.64, 25,172.22 and 5,689.04

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Solution

The fourth proportional to 16,782.64, 25,172.22 and 5,689.04 is: 8,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.64 : 25,172.22 = 5,689.04 : x
  2. Step 2: Convert to fraction form
    16,782.64/25,172.22 = 5,689.04/x
  3. Step 3: Cross multiply
    16,782.64x = 25,172.22 × 5,689.04
  4. Step 4: Simplify right side
    16,782.64x = 143,205,766.47
  5. Step 5: Solve for x
    x = 143,205,766.47/16,782.64
  6. Step 6: Final answer
    x = 8,532.97

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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.