Home / 13,625.22-18,852.57-11,862.66

Finding the Fourth Proportional to 13,625.22, 18,852.57 and 11,862.66

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Solution

The fourth proportional to 13,625.22, 18,852.57 and 11,862.66 is: 16,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.22 : 18,852.57 = 11,862.66 : x
  2. Step 2: Convert to fraction form
    13,625.22/18,852.57 = 11,862.66/x
  3. Step 3: Cross multiply
    13,625.22x = 18,852.57 × 11,862.66
  4. Step 4: Simplify right side
    13,625.22x = 223,641,628.04
  5. Step 5: Solve for x
    x = 223,641,628.04/13,625.22
  6. Step 6: Final answer
    x = 16,413.80

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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.