Home / 25,305.42-37,981.17-13,469.14

Finding the Fourth Proportional to 25,305.42, 37,981.17 and 13,469.14

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Solution

The fourth proportional to 25,305.42, 37,981.17 and 13,469.14 is: 20,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.42 : 37,981.17 = 13,469.14 : x
  2. Step 2: Convert to fraction form
    25,305.42/37,981.17 = 13,469.14/x
  3. Step 3: Cross multiply
    25,305.42x = 37,981.17 × 13,469.14
  4. Step 4: Simplify right side
    25,305.42x = 511,573,529.93
  5. Step 5: Solve for x
    x = 511,573,529.93/25,305.42
  6. Step 6: Final answer
    x = 20,215.97

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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.