Home / 13,986.98-19,297.67-7,936.22

Finding the Fourth Proportional to 13,986.98, 19,297.67 and 7,936.22

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Solution

The fourth proportional to 13,986.98, 19,297.67 and 7,936.22 is: 10,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.98 : 19,297.67 = 7,936.22 : x
  2. Step 2: Convert to fraction form
    13,986.98/19,297.67 = 7,936.22/x
  3. Step 3: Cross multiply
    13,986.98x = 19,297.67 × 7,936.22
  4. Step 4: Simplify right side
    13,986.98x = 153,150,477.96
  5. Step 5: Solve for x
    x = 153,150,477.96/13,986.98
  6. Step 6: Final answer
    x = 10,949.51

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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.