Home / 25,105.20-34,645.22-13,775.66

Finding the Fourth Proportional to 25,105.20, 34,645.22 and 13,775.66

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Solution

The fourth proportional to 25,105.20, 34,645.22 and 13,775.66 is: 19,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.20 : 34,645.22 = 13,775.66 : x
  2. Step 2: Convert to fraction form
    25,105.20/34,645.22 = 13,775.66/x
  3. Step 3: Cross multiply
    25,105.20x = 34,645.22 × 13,775.66
  4. Step 4: Simplify right side
    25,105.20x = 477,260,771.35
  5. Step 5: Solve for x
    x = 477,260,771.35/25,105.20
  6. Step 6: Final answer
    x = 19,010.43

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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.