Home / 25,906.88-35,751.68-15,301.76

Finding the Fourth Proportional to 25,906.88, 35,751.68 and 15,301.76

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Solution

The fourth proportional to 25,906.88, 35,751.68 and 15,301.76 is: 21,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.88 : 35,751.68 = 15,301.76 : x
  2. Step 2: Convert to fraction form
    25,906.88/35,751.68 = 15,301.76/x
  3. Step 3: Cross multiply
    25,906.88x = 35,751.68 × 15,301.76
  4. Step 4: Simplify right side
    25,906.88x = 547,063,626.96
  5. Step 5: Solve for x
    x = 547,063,626.96/25,906.88
  6. Step 6: Final answer
    x = 21,116.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.