Home / 22,260.87-33,392.34-12,392.71

Finding the Fourth Proportional to 22,260.87, 33,392.34 and 12,392.71

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Solution

The fourth proportional to 22,260.87, 33,392.34 and 12,392.71 is: 18,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.87 : 33,392.34 = 12,392.71 : x
  2. Step 2: Convert to fraction form
    22,260.87/33,392.34 = 12,392.71/x
  3. Step 3: Cross multiply
    22,260.87x = 33,392.34 × 12,392.71
  4. Step 4: Simplify right side
    22,260.87x = 413,821,502.36
  5. Step 5: Solve for x
    x = 413,821,502.36/22,260.87
  6. Step 6: Final answer
    x = 18,589.64

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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.