Home / 19,795.92-29,685.16-11,481.67

Finding the Fourth Proportional to 19,795.92, 29,685.16 and 11,481.67

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Solution

The fourth proportional to 19,795.92, 29,685.16 and 11,481.67 is: 17,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.92 : 29,685.16 = 11,481.67 : x
  2. Step 2: Convert to fraction form
    19,795.92/29,685.16 = 11,481.67/x
  3. Step 3: Cross multiply
    19,795.92x = 29,685.16 × 11,481.67
  4. Step 4: Simplify right side
    19,795.92x = 340,835,211.02
  5. Step 5: Solve for x
    x = 340,835,211.02/19,795.92
  6. Step 6: Final answer
    x = 17,217.45

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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.