Home / 16,728.39-25,057.35-7,954.47

Finding the Fourth Proportional to 16,728.39, 25,057.35 and 7,954.47

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Solution

The fourth proportional to 16,728.39, 25,057.35 and 7,954.47 is: 11,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.39 : 25,057.35 = 7,954.47 : x
  2. Step 2: Convert to fraction form
    16,728.39/25,057.35 = 7,954.47/x
  3. Step 3: Cross multiply
    16,728.39x = 25,057.35 × 7,954.47
  4. Step 4: Simplify right side
    16,728.39x = 199,317,938.85
  5. Step 5: Solve for x
    x = 199,317,938.85/16,728.39
  6. Step 6: Final answer
    x = 11,914.95

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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.