Home / 27,025.20-40,537.94-12,216.78

Finding the Fourth Proportional to 27,025.20, 40,537.94 and 12,216.78

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Solution

The fourth proportional to 27,025.20, 40,537.94 and 12,216.78 is: 18,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,025.20 : 40,537.94 = 12,216.78 : x
  2. Step 2: Convert to fraction form
    27,025.20/40,537.94 = 12,216.78/x
  3. Step 3: Cross multiply
    27,025.20x = 40,537.94 × 12,216.78
  4. Step 4: Simplify right side
    27,025.20x = 495,243,033.55
  5. Step 5: Solve for x
    x = 495,243,033.55/27,025.20
  6. Step 6: Final answer
    x = 18,325.23

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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.