Home / 20,795.66-31,193.54-5,213.33

Finding the Fourth Proportional to 20,795.66, 31,193.54 and 5,213.33

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Solution

The fourth proportional to 20,795.66, 31,193.54 and 5,213.33 is: 7,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.66 : 31,193.54 = 5,213.33 : x
  2. Step 2: Convert to fraction form
    20,795.66/31,193.54 = 5,213.33/x
  3. Step 3: Cross multiply
    20,795.66x = 31,193.54 × 5,213.33
  4. Step 4: Simplify right side
    20,795.66x = 162,622,035.85
  5. Step 5: Solve for x
    x = 162,622,035.85/20,795.66
  6. Step 6: Final answer
    x = 7,820.00

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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.