Home / 18,178.75-25,093.82-11,463.04

Finding the Fourth Proportional to 18,178.75, 25,093.82 and 11,463.04

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Solution

The fourth proportional to 18,178.75, 25,093.82 and 11,463.04 is: 15,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.75 : 25,093.82 = 11,463.04 : x
  2. Step 2: Convert to fraction form
    18,178.75/25,093.82 = 11,463.04/x
  3. Step 3: Cross multiply
    18,178.75x = 25,093.82 × 11,463.04
  4. Step 4: Simplify right side
    18,178.75x = 287,651,279.63
  5. Step 5: Solve for x
    x = 287,651,279.63/18,178.75
  6. Step 6: Final answer
    x = 15,823.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.