Home / 16,439.11-22,696.92-9,726.89

Finding the Fourth Proportional to 16,439.11, 22,696.92 and 9,726.89

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Solution

The fourth proportional to 16,439.11, 22,696.92 and 9,726.89 is: 13,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.11 : 22,696.92 = 9,726.89 : x
  2. Step 2: Convert to fraction form
    16,439.11/22,696.92 = 9,726.89/x
  3. Step 3: Cross multiply
    16,439.11x = 22,696.92 × 9,726.89
  4. Step 4: Simplify right side
    16,439.11x = 220,770,330.69
  5. Step 5: Solve for x
    x = 220,770,330.69/16,439.11
  6. Step 6: Final answer
    x = 13,429.58

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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.