Home / 16,775.43-25,165.83-5,085.90

Finding the Fourth Proportional to 16,775.43, 25,165.83 and 5,085.90

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Solution

The fourth proportional to 16,775.43, 25,165.83 and 5,085.90 is: 7,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.43 : 25,165.83 = 5,085.90 : x
  2. Step 2: Convert to fraction form
    16,775.43/25,165.83 = 5,085.90/x
  3. Step 3: Cross multiply
    16,775.43x = 25,165.83 × 5,085.90
  4. Step 4: Simplify right side
    16,775.43x = 127,990,894.80
  5. Step 5: Solve for x
    x = 127,990,894.80/16,775.43
  6. Step 6: Final answer
    x = 7,629.66

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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.