Home / 17,861.67-26,789.86-4,714.96

Finding the Fourth Proportional to 17,861.67, 26,789.86 and 4,714.96

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Solution

The fourth proportional to 17,861.67, 26,789.86 and 4,714.96 is: 7,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.67 : 26,789.86 = 4,714.96 : x
  2. Step 2: Convert to fraction form
    17,861.67/26,789.86 = 4,714.96/x
  3. Step 3: Cross multiply
    17,861.67x = 26,789.86 × 4,714.96
  4. Step 4: Simplify right side
    17,861.67x = 126,313,118.31
  5. Step 5: Solve for x
    x = 126,313,118.31/17,861.67
  6. Step 6: Final answer
    x = 7,071.74

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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.