Home / 25,755.20-38,635.77-9,116.69

Finding the Fourth Proportional to 25,755.20, 38,635.77 and 9,116.69

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Solution

The fourth proportional to 25,755.20, 38,635.77 and 9,116.69 is: 13,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.20 : 38,635.77 = 9,116.69 : x
  2. Step 2: Convert to fraction form
    25,755.20/38,635.77 = 9,116.69/x
  3. Step 3: Cross multiply
    25,755.20x = 38,635.77 × 9,116.69
  4. Step 4: Simplify right side
    25,755.20x = 352,230,338.00
  5. Step 5: Solve for x
    x = 352,230,338.00/25,755.20
  6. Step 6: Final answer
    x = 13,676.09

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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.