Home / 16,418.65-22,639.71-11,104.24

Finding the Fourth Proportional to 16,418.65, 22,639.71 and 11,104.24

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Solution

The fourth proportional to 16,418.65, 22,639.71 and 11,104.24 is: 15,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.65 : 22,639.71 = 11,104.24 : x
  2. Step 2: Convert to fraction form
    16,418.65/22,639.71 = 11,104.24/x
  3. Step 3: Cross multiply
    16,418.65x = 22,639.71 × 11,104.24
  4. Step 4: Simplify right side
    16,418.65x = 251,396,660.17
  5. Step 5: Solve for x
    x = 251,396,660.17/16,418.65
  6. Step 6: Final answer
    x = 15,311.66

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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.