Home / 25,921.73-35,771.99-15,168.67

Finding the Fourth Proportional to 25,921.73, 35,771.99 and 15,168.67

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Solution

The fourth proportional to 25,921.73, 35,771.99 and 15,168.67 is: 20,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.73 : 35,771.99 = 15,168.67 : x
  2. Step 2: Convert to fraction form
    25,921.73/35,771.99 = 15,168.67/x
  3. Step 3: Cross multiply
    25,921.73x = 35,771.99 × 15,168.67
  4. Step 4: Simplify right side
    25,921.73x = 542,613,450.56
  5. Step 5: Solve for x
    x = 542,613,450.56/25,921.73
  6. Step 6: Final answer
    x = 20,932.77

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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.