Home / 25,378.12-38,069.73-8,735.96

Finding the Fourth Proportional to 25,378.12, 38,069.73 and 8,735.96

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Solution

The fourth proportional to 25,378.12, 38,069.73 and 8,735.96 is: 13,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.12 : 38,069.73 = 8,735.96 : x
  2. Step 2: Convert to fraction form
    25,378.12/38,069.73 = 8,735.96/x
  3. Step 3: Cross multiply
    25,378.12x = 38,069.73 × 8,735.96
  4. Step 4: Simplify right side
    25,378.12x = 332,575,638.49
  5. Step 5: Solve for x
    x = 332,575,638.49/25,378.12
  6. Step 6: Final answer
    x = 13,104.82

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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.