Home / 19,080.56-28,601.30-7,993.69

Finding the Fourth Proportional to 19,080.56, 28,601.30 and 7,993.69

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Solution

The fourth proportional to 19,080.56, 28,601.30 and 7,993.69 is: 11,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.56 : 28,601.30 = 7,993.69 : x
  2. Step 2: Convert to fraction form
    19,080.56/28,601.30 = 7,993.69/x
  3. Step 3: Cross multiply
    19,080.56x = 28,601.30 × 7,993.69
  4. Step 4: Simplify right side
    19,080.56x = 228,629,874.28
  5. Step 5: Solve for x
    x = 228,629,874.28/19,080.56
  6. Step 6: Final answer
    x = 11,982.34

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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.