Home / 15,921.10-23,881.62-4,234.33

Finding the Fourth Proportional to 15,921.10, 23,881.62 and 4,234.33

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Solution

The fourth proportional to 15,921.10, 23,881.62 and 4,234.33 is: 6,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.10 : 23,881.62 = 4,234.33 : x
  2. Step 2: Convert to fraction form
    15,921.10/23,881.62 = 4,234.33/x
  3. Step 3: Cross multiply
    15,921.10x = 23,881.62 × 4,234.33
  4. Step 4: Simplify right side
    15,921.10x = 101,122,660.01
  5. Step 5: Solve for x
    x = 101,122,660.01/15,921.10
  6. Step 6: Final answer
    x = 6,351.49

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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.