Home / 55,413.04-83,107.68-15,962.80

Finding the Fourth Proportional to 55,413.04, 83,107.68 and 15,962.80

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Solution

The fourth proportional to 55,413.04, 83,107.68 and 15,962.80 is: 23,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.04 : 83,107.68 = 15,962.80 : x
  2. Step 2: Convert to fraction form
    55,413.04/83,107.68 = 15,962.80/x
  3. Step 3: Cross multiply
    55,413.04x = 83,107.68 × 15,962.80
  4. Step 4: Simplify right side
    55,413.04x = 1,326,631,274.30
  5. Step 5: Solve for x
    x = 1,326,631,274.30/55,413.04
  6. Step 6: Final answer
    x = 23,940.78

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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.