Home / 17,781.56-26,676.12-6,091.64

Finding the Fourth Proportional to 17,781.56, 26,676.12 and 6,091.64

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Solution

The fourth proportional to 17,781.56, 26,676.12 and 6,091.64 is: 9,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.56 : 26,676.12 = 6,091.64 : x
  2. Step 2: Convert to fraction form
    17,781.56/26,676.12 = 6,091.64/x
  3. Step 3: Cross multiply
    17,781.56x = 26,676.12 × 6,091.64
  4. Step 4: Simplify right side
    17,781.56x = 162,501,319.64
  5. Step 5: Solve for x
    x = 162,501,319.64/17,781.56
  6. Step 6: Final answer
    x = 9,138.75

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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.