Home / 19,657.56-29,481.54-7,175.64

Finding the Fourth Proportional to 19,657.56, 29,481.54 and 7,175.64

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Solution

The fourth proportional to 19,657.56, 29,481.54 and 7,175.64 is: 10,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.56 : 29,481.54 = 7,175.64 : x
  2. Step 2: Convert to fraction form
    19,657.56/29,481.54 = 7,175.64/x
  3. Step 3: Cross multiply
    19,657.56x = 29,481.54 × 7,175.64
  4. Step 4: Simplify right side
    19,657.56x = 211,548,917.69
  5. Step 5: Solve for x
    x = 211,548,917.69/19,657.56
  6. Step 6: Final answer
    x = 10,761.71

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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.