Home / 20,826.78-31,245.02-6,035.97

Finding the Fourth Proportional to 20,826.78, 31,245.02 and 6,035.97

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Solution

The fourth proportional to 20,826.78, 31,245.02 and 6,035.97 is: 9,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826.78 : 31,245.02 = 6,035.97 : x
  2. Step 2: Convert to fraction form
    20,826.78/31,245.02 = 6,035.97/x
  3. Step 3: Cross multiply
    20,826.78x = 31,245.02 × 6,035.97
  4. Step 4: Simplify right side
    20,826.78x = 188,594,003.37
  5. Step 5: Solve for x
    x = 188,594,003.37/20,826.78
  6. Step 6: Final answer
    x = 9,055.36

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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.