Home / 14,764.20-20,361.32-9,726.60

Finding the Fourth Proportional to 14,764.20, 20,361.32 and 9,726.60

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Solution

The fourth proportional to 14,764.20, 20,361.32 and 9,726.60 is: 13,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.20 : 20,361.32 = 9,726.60 : x
  2. Step 2: Convert to fraction form
    14,764.20/20,361.32 = 9,726.60/x
  3. Step 3: Cross multiply
    14,764.20x = 20,361.32 × 9,726.60
  4. Step 4: Simplify right side
    14,764.20x = 198,046,415.11
  5. Step 5: Solve for x
    x = 198,046,415.11/14,764.20
  6. Step 6: Final answer
    x = 13,413.96

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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.