Home / 38,293.58-57,440.38-11,998.32

Finding the Fourth Proportional to 38,293.58, 57,440.38 and 11,998.32

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Solution

The fourth proportional to 38,293.58, 57,440.38 and 11,998.32 is: 17,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.58 : 57,440.38 = 11,998.32 : x
  2. Step 2: Convert to fraction form
    38,293.58/57,440.38 = 11,998.32/x
  3. Step 3: Cross multiply
    38,293.58x = 57,440.38 × 11,998.32
  4. Step 4: Simplify right side
    38,293.58x = 689,188,060.16
  5. Step 5: Solve for x
    x = 689,188,060.16/38,293.58
  6. Step 6: Final answer
    x = 17,997.48

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Double scale
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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.