Home / 17,951.66-26,872.05-11,698.22

Finding the Fourth Proportional to 17,951.66, 26,872.05 and 11,698.22

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Solution

The fourth proportional to 17,951.66, 26,872.05 and 11,698.22 is: 17,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.66 : 26,872.05 = 11,698.22 : x
  2. Step 2: Convert to fraction form
    17,951.66/26,872.05 = 11,698.22/x
  3. Step 3: Cross multiply
    17,951.66x = 26,872.05 × 11,698.22
  4. Step 4: Simplify right side
    17,951.66x = 314,355,263.80
  5. Step 5: Solve for x
    x = 314,355,263.80/17,951.66
  6. Step 6: Final answer
    x = 17,511.21

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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.