Home / 12,022.36-18,033.27-5,443.78

Finding the Fourth Proportional to 12,022.36, 18,033.27 and 5,443.78

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Solution

The fourth proportional to 12,022.36, 18,033.27 and 5,443.78 is: 8,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.36 : 18,033.27 = 5,443.78 : x
  2. Step 2: Convert to fraction form
    12,022.36/18,033.27 = 5,443.78/x
  3. Step 3: Cross multiply
    12,022.36x = 18,033.27 × 5,443.78
  4. Step 4: Simplify right side
    12,022.36x = 98,169,154.56
  5. Step 5: Solve for x
    x = 98,169,154.56/12,022.36
  6. Step 6: Final answer
    x = 8,165.55

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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.