Home / 16,940.03-25,399.76-7,578.30

Finding the Fourth Proportional to 16,940.03, 25,399.76 and 7,578.30

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Solution

The fourth proportional to 16,940.03, 25,399.76 and 7,578.30 is: 11,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.03 : 25,399.76 = 7,578.30 : x
  2. Step 2: Convert to fraction form
    16,940.03/25,399.76 = 7,578.30/x
  3. Step 3: Cross multiply
    16,940.03x = 25,399.76 × 7,578.30
  4. Step 4: Simplify right side
    16,940.03x = 192,487,001.21
  5. Step 5: Solve for x
    x = 192,487,001.21/16,940.03
  6. Step 6: Final answer
    x = 11,362.85

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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.