Home / 13,917.24-19,206.57-8,255.34

Finding the Fourth Proportional to 13,917.24, 19,206.57 and 8,255.34

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Solution

The fourth proportional to 13,917.24, 19,206.57 and 8,255.34 is: 11,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.24 : 19,206.57 = 8,255.34 : x
  2. Step 2: Convert to fraction form
    13,917.24/19,206.57 = 8,255.34/x
  3. Step 3: Cross multiply
    13,917.24x = 19,206.57 × 8,255.34
  4. Step 4: Simplify right side
    13,917.24x = 158,556,765.58
  5. Step 5: Solve for x
    x = 158,556,765.58/13,917.24
  6. Step 6: Final answer
    x = 11,392.83

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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.