Home / 13,391.12-20,083.95-5,068.27

Finding the Fourth Proportional to 13,391.12, 20,083.95 and 5,068.27

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Solution

The fourth proportional to 13,391.12, 20,083.95 and 5,068.27 is: 7,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.12 : 20,083.95 = 5,068.27 : x
  2. Step 2: Convert to fraction form
    13,391.12/20,083.95 = 5,068.27/x
  3. Step 3: Cross multiply
    13,391.12x = 20,083.95 × 5,068.27
  4. Step 4: Simplify right side
    13,391.12x = 101,790,906.37
  5. Step 5: Solve for x
    x = 101,790,906.37/13,391.12
  6. Step 6: Final answer
    x = 7,601.37

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1.5x scale

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.