Home / 12,015.44-18,025.64-3,694.96

Finding the Fourth Proportional to 12,015.44, 18,025.64 and 3,694.96

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Solution

The fourth proportional to 12,015.44, 18,025.64 and 3,694.96 is: 5,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.44 : 18,025.64 = 3,694.96 : x
  2. Step 2: Convert to fraction form
    12,015.44/18,025.64 = 3,694.96/x
  3. Step 3: Cross multiply
    12,015.44x = 18,025.64 × 3,694.96
  4. Step 4: Simplify right side
    12,015.44x = 66,604,018.77
  5. Step 5: Solve for x
    x = 66,604,018.77/12,015.44
  6. Step 6: Final answer
    x = 5,543.20

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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.