Home / 18,413.37-25,409.32-10,860.03

Finding the Fourth Proportional to 18,413.37, 25,409.32 and 10,860.03

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Solution

The fourth proportional to 18,413.37, 25,409.32 and 10,860.03 is: 14,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.37 : 25,409.32 = 10,860.03 : x
  2. Step 2: Convert to fraction form
    18,413.37/25,409.32 = 10,860.03/x
  3. Step 3: Cross multiply
    18,413.37x = 25,409.32 × 10,860.03
  4. Step 4: Simplify right side
    18,413.37x = 275,945,950.33
  5. Step 5: Solve for x
    x = 275,945,950.33/18,413.37
  6. Step 6: Final answer
    x = 14,986.17

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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.