Home / 25,748.68-38,626.92-9,108.90

Finding the Fourth Proportional to 25,748.68, 38,626.92 and 9,108.90

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Solution

The fourth proportional to 25,748.68, 38,626.92 and 9,108.90 is: 13,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.68 : 38,626.92 = 9,108.90 : x
  2. Step 2: Convert to fraction form
    25,748.68/38,626.92 = 9,108.90/x
  3. Step 3: Cross multiply
    25,748.68x = 38,626.92 × 9,108.90
  4. Step 4: Simplify right side
    25,748.68x = 351,848,706.04
  5. Step 5: Solve for x
    x = 351,848,706.04/25,748.68
  6. Step 6: Final answer
    x = 13,664.73

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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.