Home / 15,940.51-23,910.57-7,169.23

Finding the Fourth Proportional to 15,940.51, 23,910.57 and 7,169.23

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Solution

The fourth proportional to 15,940.51, 23,910.57 and 7,169.23 is: 10,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.51 : 23,910.57 = 7,169.23 : x
  2. Step 2: Convert to fraction form
    15,940.51/23,910.57 = 7,169.23/x
  3. Step 3: Cross multiply
    15,940.51x = 23,910.57 × 7,169.23
  4. Step 4: Simplify right side
    15,940.51x = 171,420,375.76
  5. Step 5: Solve for x
    x = 171,420,375.76/15,940.51
  6. Step 6: Final answer
    x = 10,753.76

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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.