Home / 18,974.76-26,186.94-14,186.40

Finding the Fourth Proportional to 18,974.76, 26,186.94 and 14,186.40

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Solution

The fourth proportional to 18,974.76, 26,186.94 and 14,186.40 is: 19,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.76 : 26,186.94 = 14,186.40 : x
  2. Step 2: Convert to fraction form
    18,974.76/26,186.94 = 14,186.40/x
  3. Step 3: Cross multiply
    18,974.76x = 26,186.94 × 14,186.40
  4. Step 4: Simplify right side
    18,974.76x = 371,498,405.62
  5. Step 5: Solve for x
    x = 371,498,405.62/18,974.76
  6. Step 6: Final answer
    x = 19,578.56

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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.