Home / 16,930.92-25,401.60-7,578.84

Finding the Fourth Proportional to 16,930.92, 25,401.60 and 7,578.84

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Solution

The fourth proportional to 16,930.92, 25,401.60 and 7,578.84 is: 11,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.92 : 25,401.60 = 7,578.84 : x
  2. Step 2: Convert to fraction form
    16,930.92/25,401.60 = 7,578.84/x
  3. Step 3: Cross multiply
    16,930.92x = 25,401.60 × 7,578.84
  4. Step 4: Simplify right side
    16,930.92x = 192,514,662.14
  5. Step 5: Solve for x
    x = 192,514,662.14/16,930.92
  6. Step 6: Final answer
    x = 11,370.60

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1.5x scale

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.