Home / 38,512.14-57,771.45-13,549.56

Finding the Fourth Proportional to 38,512.14, 57,771.45 and 13,549.56

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Solution

The fourth proportional to 38,512.14, 57,771.45 and 13,549.56 is: 20,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.14 : 57,771.45 = 13,549.56 : x
  2. Step 2: Convert to fraction form
    38,512.14/57,771.45 = 13,549.56/x
  3. Step 3: Cross multiply
    38,512.14x = 57,771.45 × 13,549.56
  4. Step 4: Simplify right side
    38,512.14x = 782,777,728.06
  5. Step 5: Solve for x
    x = 782,777,728.06/38,512.14
  6. Step 6: Final answer
    x = 20,325.48

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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.