Home / 25,436.82-38,120.67-11,553.30

Finding the Fourth Proportional to 25,436.82, 38,120.67 and 11,553.30

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Solution

The fourth proportional to 25,436.82, 38,120.67 and 11,553.30 is: 17,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.82 : 38,120.67 = 11,553.30 : x
  2. Step 2: Convert to fraction form
    25,436.82/38,120.67 = 11,553.30/x
  3. Step 3: Cross multiply
    25,436.82x = 38,120.67 × 11,553.30
  4. Step 4: Simplify right side
    25,436.82x = 440,419,536.71
  5. Step 5: Solve for x
    x = 440,419,536.71/25,436.82
  6. Step 6: Final answer
    x = 17,314.25

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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.