Home / 20,350.92-30,520.74-5,560.41

Finding the Fourth Proportional to 20,350.92, 30,520.74 and 5,560.41

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Solution

The fourth proportional to 20,350.92, 30,520.74 and 5,560.41 is: 8,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.92 : 30,520.74 = 5,560.41 : x
  2. Step 2: Convert to fraction form
    20,350.92/30,520.74 = 5,560.41/x
  3. Step 3: Cross multiply
    20,350.92x = 30,520.74 × 5,560.41
  4. Step 4: Simplify right side
    20,350.92x = 169,707,827.90
  5. Step 5: Solve for x
    x = 169,707,827.90/20,350.92
  6. Step 6: Final answer
    x = 8,339.07

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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.