Home / 13,382.67-18,467.35-7,413.99

Finding the Fourth Proportional to 13,382.67, 18,467.35 and 7,413.99

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Solution

The fourth proportional to 13,382.67, 18,467.35 and 7,413.99 is: 10,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.67 : 18,467.35 = 7,413.99 : x
  2. Step 2: Convert to fraction form
    13,382.67/18,467.35 = 7,413.99/x
  3. Step 3: Cross multiply
    13,382.67x = 18,467.35 × 7,413.99
  4. Step 4: Simplify right side
    13,382.67x = 136,916,748.23
  5. Step 5: Solve for x
    x = 136,916,748.23/13,382.67
  6. Step 6: Final answer
    x = 10,230.90

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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.