Home / 27,922.92-38,512.44-18,475.08

Finding the Fourth Proportional to 27,922.92, 38,512.44 and 18,475.08

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Solution

The fourth proportional to 27,922.92, 38,512.44 and 18,475.08 is: 25,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.92 : 38,512.44 = 18,475.08 : x
  2. Step 2: Convert to fraction form
    27,922.92/38,512.44 = 18,475.08/x
  3. Step 3: Cross multiply
    27,922.92x = 38,512.44 × 18,475.08
  4. Step 4: Simplify right side
    27,922.92x = 711,520,410.00
  5. Step 5: Solve for x
    x = 711,520,410.00/27,922.92
  6. Step 6: Final answer
    x = 25,481.59

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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.