Home / 16,785.91-25,178.86-5,693.72

Finding the Fourth Proportional to 16,785.91, 25,178.86 and 5,693.72

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Solution

The fourth proportional to 16,785.91, 25,178.86 and 5,693.72 is: 8,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.91 : 25,178.86 = 5,693.72 : x
  2. Step 2: Convert to fraction form
    16,785.91/25,178.86 = 5,693.72/x
  3. Step 3: Cross multiply
    16,785.91x = 25,178.86 × 5,693.72
  4. Step 4: Simplify right side
    16,785.91x = 143,361,338.80
  5. Step 5: Solve for x
    x = 143,361,338.80/16,785.91
  6. Step 6: Final answer
    x = 8,540.58

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Similar ratio
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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.