Home / 12,025.68-18,040.32-4,233.12

Finding the Fourth Proportional to 12,025.68, 18,040.32 and 4,233.12

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Solution

The fourth proportional to 12,025.68, 18,040.32 and 4,233.12 is: 6,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.68 : 18,040.32 = 4,233.12 : x
  2. Step 2: Convert to fraction form
    12,025.68/18,040.32 = 4,233.12/x
  3. Step 3: Cross multiply
    12,025.68x = 18,040.32 × 4,233.12
  4. Step 4: Simplify right side
    12,025.68x = 76,366,839.40
  5. Step 5: Solve for x
    x = 76,366,839.40/12,025.68
  6. Step 6: Final answer
    x = 6,350.31

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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.