Home / 25,388.73-38,093.12-18,377.57

Finding the Fourth Proportional to 25,388.73, 38,093.12 and 18,377.57

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Solution

The fourth proportional to 25,388.73, 38,093.12 and 18,377.57 is: 27,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.73 : 38,093.12 = 18,377.57 : x
  2. Step 2: Convert to fraction form
    25,388.73/38,093.12 = 18,377.57/x
  3. Step 3: Cross multiply
    25,388.73x = 38,093.12 × 18,377.57
  4. Step 4: Simplify right side
    25,388.73x = 700,058,696.96
  5. Step 5: Solve for x
    x = 700,058,696.96/25,388.73
  6. Step 6: Final answer
    x = 27,573.60

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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.