Home / 19,103.24-28,656.26-7,998.76

Finding the Fourth Proportional to 19,103.24, 28,656.26 and 7,998.76

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Solution

The fourth proportional to 19,103.24, 28,656.26 and 7,998.76 is: 11,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.24 : 28,656.26 = 7,998.76 : x
  2. Step 2: Convert to fraction form
    19,103.24/28,656.26 = 7,998.76/x
  3. Step 3: Cross multiply
    19,103.24x = 28,656.26 × 7,998.76
  4. Step 4: Simplify right side
    19,103.24x = 229,214,546.24
  5. Step 5: Solve for x
    x = 229,214,546.24/19,103.24
  6. Step 6: Final answer
    x = 11,998.73

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Double scale
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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.