Home / 17,912.14-26,863.60-7,385.16

Finding the Fourth Proportional to 17,912.14, 26,863.60 and 7,385.16

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Solution

The fourth proportional to 17,912.14, 26,863.60 and 7,385.16 is: 11,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.14 : 26,863.60 = 7,385.16 : x
  2. Step 2: Convert to fraction form
    17,912.14/26,863.60 = 7,385.16/x
  3. Step 3: Cross multiply
    17,912.14x = 26,863.60 × 7,385.16
  4. Step 4: Simplify right side
    17,912.14x = 198,391,868.32
  5. Step 5: Solve for x
    x = 198,391,868.32/17,912.14
  6. Step 6: Final answer
    x = 11,075.83

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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.