Home / 18,371.58-25,353.32-10,413.54

Finding the Fourth Proportional to 18,371.58, 25,353.32 and 10,413.54

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Solution

The fourth proportional to 18,371.58, 25,353.32 and 10,413.54 is: 14,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.58 : 25,353.32 = 10,413.54 : x
  2. Step 2: Convert to fraction form
    18,371.58/25,353.32 = 10,413.54/x
  3. Step 3: Cross multiply
    18,371.58x = 25,353.32 × 10,413.54
  4. Step 4: Simplify right side
    18,371.58x = 264,017,759.89
  5. Step 5: Solve for x
    x = 264,017,759.89/18,371.58
  6. Step 6: Final answer
    x = 14,370.99

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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.