Home / 13,169.67-19,751.54-3,807.60

Finding the Fourth Proportional to 13,169.67, 19,751.54 and 3,807.60

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Solution

The fourth proportional to 13,169.67, 19,751.54 and 3,807.60 is: 5,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.67 : 19,751.54 = 3,807.60 : x
  2. Step 2: Convert to fraction form
    13,169.67/19,751.54 = 3,807.60/x
  3. Step 3: Cross multiply
    13,169.67x = 19,751.54 × 3,807.60
  4. Step 4: Simplify right side
    13,169.67x = 75,205,963.70
  5. Step 5: Solve for x
    x = 75,205,963.70/13,169.67
  6. Step 6: Final answer
    x = 5,710.54

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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.