Home / 14,650.82-20,218.18-7,936.43

Finding the Fourth Proportional to 14,650.82, 20,218.18 and 7,936.43

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Solution

The fourth proportional to 14,650.82, 20,218.18 and 7,936.43 is: 10,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.82 : 20,218.18 = 7,936.43 : x
  2. Step 2: Convert to fraction form
    14,650.82/20,218.18 = 7,936.43/x
  3. Step 3: Cross multiply
    14,650.82x = 20,218.18 × 7,936.43
  4. Step 4: Simplify right side
    14,650.82x = 160,460,064.25
  5. Step 5: Solve for x
    x = 160,460,064.25/14,650.82
  6. Step 6: Final answer
    x = 10,952.29

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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.