Home / 12,014.82-18,025.11-5,439.24

Finding the Fourth Proportional to 12,014.82, 18,025.11 and 5,439.24

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Solution

The fourth proportional to 12,014.82, 18,025.11 and 5,439.24 is: 8,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.82 : 18,025.11 = 5,439.24 : x
  2. Step 2: Convert to fraction form
    12,014.82/18,025.11 = 5,439.24/x
  3. Step 3: Cross multiply
    12,014.82x = 18,025.11 × 5,439.24
  4. Step 4: Simplify right side
    12,014.82x = 98,042,899.32
  5. Step 5: Solve for x
    x = 98,042,899.32/12,014.82
  6. Step 6: Final answer
    x = 8,160.16

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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.