Home / 13,951.09-19,236.25-10,408.15

Finding the Fourth Proportional to 13,951.09, 19,236.25 and 10,408.15

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Solution

The fourth proportional to 13,951.09, 19,236.25 and 10,408.15 is: 14,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.09 : 19,236.25 = 10,408.15 : x
  2. Step 2: Convert to fraction form
    13,951.09/19,236.25 = 10,408.15/x
  3. Step 3: Cross multiply
    13,951.09x = 19,236.25 × 10,408.15
  4. Step 4: Simplify right side
    13,951.09x = 200,213,775.44
  5. Step 5: Solve for x
    x = 200,213,775.44/13,951.09
  6. Step 6: Final answer
    x = 14,351.12

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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.