Home / 38,134.46-57,209.34-13,175.42

Finding the Fourth Proportional to 38,134.46, 57,209.34 and 13,175.42

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Solution

The fourth proportional to 38,134.46, 57,209.34 and 13,175.42 is: 19,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134.46 : 57,209.34 = 13,175.42 : x
  2. Step 2: Convert to fraction form
    38,134.46/57,209.34 = 13,175.42/x
  3. Step 3: Cross multiply
    38,134.46x = 57,209.34 × 13,175.42
  4. Step 4: Simplify right side
    38,134.46x = 753,757,082.42
  5. Step 5: Solve for x
    x = 753,757,082.42/38,134.46
  6. Step 6: Final answer
    x = 19,765.77

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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.