Home / 20,049.67-30,070.12-6,724.54

Finding the Fourth Proportional to 20,049.67, 30,070.12 and 6,724.54

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Solution

The fourth proportional to 20,049.67, 30,070.12 and 6,724.54 is: 10,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.67 : 30,070.12 = 6,724.54 : x
  2. Step 2: Convert to fraction form
    20,049.67/30,070.12 = 6,724.54/x
  3. Step 3: Cross multiply
    20,049.67x = 30,070.12 × 6,724.54
  4. Step 4: Simplify right side
    20,049.67x = 202,207,724.74
  5. Step 5: Solve for x
    x = 202,207,724.74/20,049.67
  6. Step 6: Final answer
    x = 10,085.34

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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.