Home / 20,049.30-30,073.61-6,901.38

Finding the Fourth Proportional to 20,049.30, 30,073.61 and 6,901.38

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Solution

The fourth proportional to 20,049.30, 30,073.61 and 6,901.38 is: 10,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.30 : 30,073.61 = 6,901.38 : x
  2. Step 2: Convert to fraction form
    20,049.30/30,073.61 = 6,901.38/x
  3. Step 3: Cross multiply
    20,049.30x = 30,073.61 × 6,901.38
  4. Step 4: Simplify right side
    20,049.30x = 207,549,376.07
  5. Step 5: Solve for x
    x = 207,549,376.07/20,049.30
  6. Step 6: Final answer
    x = 10,351.95

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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.