Home / 25,456.26-38,170.45-8,814.88

Finding the Fourth Proportional to 25,456.26, 38,170.45 and 8,814.88

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Solution

The fourth proportional to 25,456.26, 38,170.45 and 8,814.88 is: 13,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.26 : 38,170.45 = 8,814.88 : x
  2. Step 2: Convert to fraction form
    25,456.26/38,170.45 = 8,814.88/x
  3. Step 3: Cross multiply
    25,456.26x = 38,170.45 × 8,814.88
  4. Step 4: Simplify right side
    25,456.26x = 336,467,936.30
  5. Step 5: Solve for x
    x = 336,467,936.30/25,456.26
  6. Step 6: Final answer
    x = 13,217.49

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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.