Home / 13,727.09-20,597.54-5,413.07

Finding the Fourth Proportional to 13,727.09, 20,597.54 and 5,413.07

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Solution

The fourth proportional to 13,727.09, 20,597.54 and 5,413.07 is: 8,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.09 : 20,597.54 = 5,413.07 : x
  2. Step 2: Convert to fraction form
    13,727.09/20,597.54 = 5,413.07/x
  3. Step 3: Cross multiply
    13,727.09x = 20,597.54 × 5,413.07
  4. Step 4: Simplify right side
    13,727.09x = 111,495,950.28
  5. Step 5: Solve for x
    x = 111,495,950.28/13,727.09
  6. Step 6: Final answer
    x = 8,122.33

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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.