Home / 18,371.37-25,351.47-10,413.12

Finding the Fourth Proportional to 18,371.37, 25,351.47 and 10,413.12

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Solution

The fourth proportional to 18,371.37, 25,351.47 and 10,413.12 is: 14,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.37 : 25,351.47 = 10,413.12 : x
  2. Step 2: Convert to fraction form
    18,371.37/25,351.47 = 10,413.12/x
  3. Step 3: Cross multiply
    18,371.37x = 25,351.47 × 10,413.12
  4. Step 4: Simplify right side
    18,371.37x = 263,987,899.29
  5. Step 5: Solve for x
    x = 263,987,899.29/18,371.37
  6. Step 6: Final answer
    x = 14,369.53

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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.