Home / 16,439.14-22,629-14,339.62

Finding the Fourth Proportional to 16,439.14, 22,629 and 14,339.62

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Solution

The fourth proportional to 16,439.14, 22,629 and 14,339.62 is: 19,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.14 : 22,629 = 14,339.62 : x
  2. Step 2: Convert to fraction form
    16,439.14/22,629 = 14,339.62/x
  3. Step 3: Cross multiply
    16,439.14x = 22,629 × 14,339.62
  4. Step 4: Simplify right side
    16,439.14x = 324,491,260.98
  5. Step 5: Solve for x
    x = 324,491,260.98/16,439.14
  6. Step 6: Final answer
    x = 19,738.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.