Home / 17,940.27-24,731.66-11,880.38

Finding the Fourth Proportional to 17,940.27, 24,731.66 and 11,880.38

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Solution

The fourth proportional to 17,940.27, 24,731.66 and 11,880.38 is: 16,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.27 : 24,731.66 = 11,880.38 : x
  2. Step 2: Convert to fraction form
    17,940.27/24,731.66 = 11,880.38/x
  3. Step 3: Cross multiply
    17,940.27x = 24,731.66 × 11,880.38
  4. Step 4: Simplify right side
    17,940.27x = 293,821,335.77
  5. Step 5: Solve for x
    x = 293,821,335.77/17,940.27
  6. Step 6: Final answer
    x = 16,377.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.