Home / 15,690.05-23,496.20-8,749.97

Finding the Fourth Proportional to 15,690.05, 23,496.20 and 8,749.97

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Solution

The fourth proportional to 15,690.05, 23,496.20 and 8,749.97 is: 13,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.05 : 23,496.20 = 8,749.97 : x
  2. Step 2: Convert to fraction form
    15,690.05/23,496.20 = 8,749.97/x
  3. Step 3: Cross multiply
    15,690.05x = 23,496.20 × 8,749.97
  4. Step 4: Simplify right side
    15,690.05x = 205,591,001.36
  5. Step 5: Solve for x
    x = 205,591,001.36/15,690.05
  6. Step 6: Final answer
    x = 13,103.27

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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.