Home / 20,932.22-31,403.20-6,892.37

Finding the Fourth Proportional to 20,932.22, 31,403.20 and 6,892.37

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Solution

The fourth proportional to 20,932.22, 31,403.20 and 6,892.37 is: 10,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.22 : 31,403.20 = 6,892.37 : x
  2. Step 2: Convert to fraction form
    20,932.22/31,403.20 = 6,892.37/x
  3. Step 3: Cross multiply
    20,932.22x = 31,403.20 × 6,892.37
  4. Step 4: Simplify right side
    20,932.22x = 216,442,424.86
  5. Step 5: Solve for x
    x = 216,442,424.86/20,932.22
  6. Step 6: Final answer
    x = 10,340.16

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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.