Home / 12,561.84-18,806.09-9,413.24

Finding the Fourth Proportional to 12,561.84, 18,806.09 and 9,413.24

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Solution

The fourth proportional to 12,561.84, 18,806.09 and 9,413.24 is: 14,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.84 : 18,806.09 = 9,413.24 : x
  2. Step 2: Convert to fraction form
    12,561.84/18,806.09 = 9,413.24/x
  3. Step 3: Cross multiply
    12,561.84x = 18,806.09 × 9,413.24
  4. Step 4: Simplify right side
    12,561.84x = 177,026,097.53
  5. Step 5: Solve for x
    x = 177,026,097.53/12,561.84
  6. Step 6: Final answer
    x = 14,092.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.