Home / 23,027.56-31,777.68-13,469.56

Finding the Fourth Proportional to 23,027.56, 31,777.68 and 13,469.56

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Solution

The fourth proportional to 23,027.56, 31,777.68 and 13,469.56 is: 18,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.56 : 31,777.68 = 13,469.56 : x
  2. Step 2: Convert to fraction form
    23,027.56/31,777.68 = 13,469.56/x
  3. Step 3: Cross multiply
    23,027.56x = 31,777.68 × 13,469.56
  4. Step 4: Simplify right side
    23,027.56x = 428,031,367.42
  5. Step 5: Solve for x
    x = 428,031,367.42/23,027.56
  6. Step 6: Final answer
    x = 18,587.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.