Home / 16,601.20-24,901.72-4,120.99

Finding the Fourth Proportional to 16,601.20, 24,901.72 and 4,120.99

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Solution

The fourth proportional to 16,601.20, 24,901.72 and 4,120.99 is: 6,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.20 : 24,901.72 = 4,120.99 : x
  2. Step 2: Convert to fraction form
    16,601.20/24,901.72 = 4,120.99/x
  3. Step 3: Cross multiply
    16,601.20x = 24,901.72 × 4,120.99
  4. Step 4: Simplify right side
    16,601.20x = 102,619,739.10
  5. Step 5: Solve for x
    x = 102,619,739.10/16,601.20
  6. Step 6: Final answer
    x = 6,181.47

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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.