Home / 14,126.96-21,191.90-3,738.68

Finding the Fourth Proportional to 14,126.96, 21,191.90 and 3,738.68

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Solution

The fourth proportional to 14,126.96, 21,191.90 and 3,738.68 is: 5,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.96 : 21,191.90 = 3,738.68 : x
  2. Step 2: Convert to fraction form
    14,126.96/21,191.90 = 3,738.68/x
  3. Step 3: Cross multiply
    14,126.96x = 21,191.90 × 3,738.68
  4. Step 4: Simplify right side
    14,126.96x = 79,229,732.69
  5. Step 5: Solve for x
    x = 79,229,732.69/14,126.96
  6. Step 6: Final answer
    x = 5,608.41

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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.