Home / 13,043.73-19,561.49-4,276.60

Finding the Fourth Proportional to 13,043.73, 19,561.49 and 4,276.60

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Solution

The fourth proportional to 13,043.73, 19,561.49 and 4,276.60 is: 6,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.73 : 19,561.49 = 4,276.60 : x
  2. Step 2: Convert to fraction form
    13,043.73/19,561.49 = 4,276.60/x
  3. Step 3: Cross multiply
    13,043.73x = 19,561.49 × 4,276.60
  4. Step 4: Simplify right side
    13,043.73x = 83,656,629.92
  5. Step 5: Solve for x
    x = 83,656,629.92/13,043.73
  6. Step 6: Final answer
    x = 6,413.55

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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.