Home / 12,933.26-19,401.72-4,170.14

Finding the Fourth Proportional to 12,933.26, 19,401.72 and 4,170.14

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Solution

The fourth proportional to 12,933.26, 19,401.72 and 4,170.14 is: 6,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.26 : 19,401.72 = 4,170.14 : x
  2. Step 2: Convert to fraction form
    12,933.26/19,401.72 = 4,170.14/x
  3. Step 3: Cross multiply
    12,933.26x = 19,401.72 × 4,170.14
  4. Step 4: Simplify right side
    12,933.26x = 80,907,888.64
  5. Step 5: Solve for x
    x = 80,907,888.64/12,933.26
  6. Step 6: Final answer
    x = 6,255.80

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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.