Home / 19,314.38-26,640.05-11,761.18

Finding the Fourth Proportional to 19,314.38, 26,640.05 and 11,761.18

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Solution

The fourth proportional to 19,314.38, 26,640.05 and 11,761.18 is: 16,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.38 : 26,640.05 = 11,761.18 : x
  2. Step 2: Convert to fraction form
    19,314.38/26,640.05 = 11,761.18/x
  3. Step 3: Cross multiply
    19,314.38x = 26,640.05 × 11,761.18
  4. Step 4: Simplify right side
    19,314.38x = 313,318,297.85
  5. Step 5: Solve for x
    x = 313,318,297.85/19,314.38
  6. Step 6: Final answer
    x = 16,222.02

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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.