Home / 15,861.36-23,791.76-4,174.64

Finding the Fourth Proportional to 15,861.36, 23,791.76 and 4,174.64

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Solution

The fourth proportional to 15,861.36, 23,791.76 and 4,174.64 is: 6,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.36 : 23,791.76 = 4,174.64 : x
  2. Step 2: Convert to fraction form
    15,861.36/23,791.76 = 4,174.64/x
  3. Step 3: Cross multiply
    15,861.36x = 23,791.76 × 4,174.64
  4. Step 4: Simplify right side
    15,861.36x = 99,322,032.97
  5. Step 5: Solve for x
    x = 99,322,032.97/15,861.36
  6. Step 6: Final answer
    x = 6,261.89

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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.