Home / 16,712.96-25,057.92-7,940.48

Finding the Fourth Proportional to 16,712.96, 25,057.92 and 7,940.48

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Solution

The fourth proportional to 16,712.96, 25,057.92 and 7,940.48 is: 11,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.96 : 25,057.92 = 7,940.48 : x
  2. Step 2: Convert to fraction form
    16,712.96/25,057.92 = 7,940.48/x
  3. Step 3: Cross multiply
    16,712.96x = 25,057.92 × 7,940.48
  4. Step 4: Simplify right side
    16,712.96x = 198,971,912.60
  5. Step 5: Solve for x
    x = 198,971,912.60/16,712.96
  6. Step 6: Final answer
    x = 11,905.25

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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.