Home / 14,102.96-21,139.22-6,198.44

Finding the Fourth Proportional to 14,102.96, 21,139.22 and 6,198.44

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Solution

The fourth proportional to 14,102.96, 21,139.22 and 6,198.44 is: 9,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.96 : 21,139.22 = 6,198.44 : x
  2. Step 2: Convert to fraction form
    14,102.96/21,139.22 = 6,198.44/x
  3. Step 3: Cross multiply
    14,102.96x = 21,139.22 × 6,198.44
  4. Step 4: Simplify right side
    14,102.96x = 131,030,186.82
  5. Step 5: Solve for x
    x = 131,030,186.82/14,102.96
  6. Step 6: Final answer
    x = 9,290.97

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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.