Home / 32,245.86-48,359.61-12,520.20

Finding the Fourth Proportional to 32,245.86, 48,359.61 and 12,520.20

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Solution

The fourth proportional to 32,245.86, 48,359.61 and 12,520.20 is: 18,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,245.86 : 48,359.61 = 12,520.20 : x
  2. Step 2: Convert to fraction form
    32,245.86/48,359.61 = 12,520.20/x
  3. Step 3: Cross multiply
    32,245.86x = 48,359.61 × 12,520.20
  4. Step 4: Simplify right side
    32,245.86x = 605,471,989.12
  5. Step 5: Solve for x
    x = 605,471,989.12/32,245.86
  6. Step 6: Final answer
    x = 18,776.74

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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.