Home / 12,033.85-18,043.09-5,018.71

Finding the Fourth Proportional to 12,033.85, 18,043.09 and 5,018.71

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Solution

The fourth proportional to 12,033.85, 18,043.09 and 5,018.71 is: 7,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.85 : 18,043.09 = 5,018.71 : x
  2. Step 2: Convert to fraction form
    12,033.85/18,043.09 = 5,018.71/x
  3. Step 3: Cross multiply
    12,033.85x = 18,043.09 × 5,018.71
  4. Step 4: Simplify right side
    12,033.85x = 90,553,033.56
  5. Step 5: Solve for x
    x = 90,553,033.56/12,033.85
  6. Step 6: Final answer
    x = 7,524.86

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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.