Home / 18,371.15-25,352.82-10,413.30

Finding the Fourth Proportional to 18,371.15, 25,352.82 and 10,413.30

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Solution

The fourth proportional to 18,371.15, 25,352.82 and 10,413.30 is: 14,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.15 : 25,352.82 = 10,413.30 : x
  2. Step 2: Convert to fraction form
    18,371.15/25,352.82 = 10,413.30/x
  3. Step 3: Cross multiply
    18,371.15x = 25,352.82 × 10,413.30
  4. Step 4: Simplify right side
    18,371.15x = 264,006,520.51
  5. Step 5: Solve for x
    x = 264,006,520.51/18,371.15
  6. Step 6: Final answer
    x = 14,370.72

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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.