Home / 25,378.22-38,069.88-8,736.06

Finding the Fourth Proportional to 25,378.22, 38,069.88 and 8,736.06

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Solution

The fourth proportional to 25,378.22, 38,069.88 and 8,736.06 is: 13,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.22 : 38,069.88 = 8,736.06 : x
  2. Step 2: Convert to fraction form
    25,378.22/38,069.88 = 8,736.06/x
  3. Step 3: Cross multiply
    25,378.22x = 38,069.88 × 8,736.06
  4. Step 4: Simplify right side
    25,378.22x = 332,580,755.87
  5. Step 5: Solve for x
    x = 332,580,755.87/25,378.22
  6. Step 6: Final answer
    x = 13,104.97

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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.