Home / 20,933.02-31,396.08-6,893.23

Finding the Fourth Proportional to 20,933.02, 31,396.08 and 6,893.23

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Solution

The fourth proportional to 20,933.02, 31,396.08 and 6,893.23 is: 10,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.02 : 31,396.08 = 6,893.23 : x
  2. Step 2: Convert to fraction form
    20,933.02/31,396.08 = 6,893.23/x
  3. Step 3: Cross multiply
    20,933.02x = 31,396.08 × 6,893.23
  4. Step 4: Simplify right side
    20,933.02x = 216,420,400.54
  5. Step 5: Solve for x
    x = 216,420,400.54/20,933.02
  6. Step 6: Final answer
    x = 10,338.71

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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.