Home / 19,699.98-27,185.97-12,626.41

Finding the Fourth Proportional to 19,699.98, 27,185.97 and 12,626.41

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Solution

The fourth proportional to 19,699.98, 27,185.97 and 12,626.41 is: 17,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.98 : 27,185.97 = 12,626.41 : x
  2. Step 2: Convert to fraction form
    19,699.98/27,185.97 = 12,626.41/x
  3. Step 3: Cross multiply
    19,699.98x = 27,185.97 × 12,626.41
  4. Step 4: Simplify right side
    19,699.98x = 343,261,121.85
  5. Step 5: Solve for x
    x = 343,261,121.85/19,699.98
  6. Step 6: Final answer
    x = 17,424.44

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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.