Home / 20,724.31-31,092.53-6,684.06

Finding the Fourth Proportional to 20,724.31, 31,092.53 and 6,684.06

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Solution

The fourth proportional to 20,724.31, 31,092.53 and 6,684.06 is: 10,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.31 : 31,092.53 = 6,684.06 : x
  2. Step 2: Convert to fraction form
    20,724.31/31,092.53 = 6,684.06/x
  3. Step 3: Cross multiply
    20,724.31x = 31,092.53 × 6,684.06
  4. Step 4: Simplify right side
    20,724.31x = 207,824,281.95
  5. Step 5: Solve for x
    x = 207,824,281.95/20,724.31
  6. Step 6: Final answer
    x = 10,028.04

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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.