Home / 16,785.07-25,177.61-4,305.09

Finding the Fourth Proportional to 16,785.07, 25,177.61 and 4,305.09

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Solution

The fourth proportional to 16,785.07, 25,177.61 and 4,305.09 is: 6,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.07 : 25,177.61 = 4,305.09 : x
  2. Step 2: Convert to fraction form
    16,785.07/25,177.61 = 4,305.09/x
  3. Step 3: Cross multiply
    16,785.07x = 25,177.61 × 4,305.09
  4. Step 4: Simplify right side
    16,785.07x = 108,391,996.89
  5. Step 5: Solve for x
    x = 108,391,996.89/16,785.07
  6. Step 6: Final answer
    x = 6,457.64

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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.