Home / 25,213.85-34,794.83-13,883.12

Finding the Fourth Proportional to 25,213.85, 34,794.83 and 13,883.12

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Solution

The fourth proportional to 25,213.85, 34,794.83 and 13,883.12 is: 19,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.85 : 34,794.83 = 13,883.12 : x
  2. Step 2: Convert to fraction form
    25,213.85/34,794.83 = 13,883.12/x
  3. Step 3: Cross multiply
    25,213.85x = 34,794.83 × 13,883.12
  4. Step 4: Simplify right side
    25,213.85x = 483,060,556.88
  5. Step 5: Solve for x
    x = 483,060,556.88/25,213.85
  6. Step 6: Final answer
    x = 19,158.54

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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.