Home / 13,792.39-19,028.85-8,485.27

Finding the Fourth Proportional to 13,792.39, 19,028.85 and 8,485.27

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Solution

The fourth proportional to 13,792.39, 19,028.85 and 8,485.27 is: 11,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.39 : 19,028.85 = 8,485.27 : x
  2. Step 2: Convert to fraction form
    13,792.39/19,028.85 = 8,485.27/x
  3. Step 3: Cross multiply
    13,792.39x = 19,028.85 × 8,485.27
  4. Step 4: Simplify right side
    13,792.39x = 161,464,930.04
  5. Step 5: Solve for x
    x = 161,464,930.04/13,792.39
  6. Step 6: Final answer
    x = 11,706.81

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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.