Home / 16,778.39-25,153.18-9,376.79

Finding the Fourth Proportional to 16,778.39, 25,153.18 and 9,376.79

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Solution

The fourth proportional to 16,778.39, 25,153.18 and 9,376.79 is: 14,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.39 : 25,153.18 = 9,376.79 : x
  2. Step 2: Convert to fraction form
    16,778.39/25,153.18 = 9,376.79/x
  3. Step 3: Cross multiply
    16,778.39x = 25,153.18 × 9,376.79
  4. Step 4: Simplify right side
    16,778.39x = 235,856,086.69
  5. Step 5: Solve for x
    x = 235,856,086.69/16,778.39
  6. Step 6: Final answer
    x = 14,057.13

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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.