Home / 19,391.10-26,759.00-11,850.05

Finding the Fourth Proportional to 19,391.10, 26,759.00 and 11,850.05

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Solution

The fourth proportional to 19,391.10, 26,759.00 and 11,850.05 is: 16,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.10 : 26,759.00 = 11,850.05 : x
  2. Step 2: Convert to fraction form
    19,391.10/26,759.00 = 11,850.05/x
  3. Step 3: Cross multiply
    19,391.10x = 26,759.00 × 11,850.05
  4. Step 4: Simplify right side
    19,391.10x = 317,095,450.68
  5. Step 5: Solve for x
    x = 317,095,450.68/19,391.10
  6. Step 6: Final answer
    x = 16,352.63

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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.