Home / 18,960.03-26,153.55-11,874.15

Finding the Fourth Proportional to 18,960.03, 26,153.55 and 11,874.15

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Solution

The fourth proportional to 18,960.03, 26,153.55 and 11,874.15 is: 16,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.03 : 26,153.55 = 11,874.15 : x
  2. Step 2: Convert to fraction form
    18,960.03/26,153.55 = 11,874.15/x
  3. Step 3: Cross multiply
    18,960.03x = 26,153.55 × 11,874.15
  4. Step 4: Simplify right side
    18,960.03x = 310,551,175.73
  5. Step 5: Solve for x
    x = 310,551,175.73/18,960.03
  6. Step 6: Final answer
    x = 16,379.26

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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.