Home / 13,331.82-19,975.83-4,561.95

Finding the Fourth Proportional to 13,331.82, 19,975.83 and 4,561.95

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Solution

The fourth proportional to 13,331.82, 19,975.83 and 4,561.95 is: 6,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.82 : 19,975.83 = 4,561.95 : x
  2. Step 2: Convert to fraction form
    13,331.82/19,975.83 = 4,561.95/x
  3. Step 3: Cross multiply
    13,331.82x = 19,975.83 × 4,561.95
  4. Step 4: Simplify right side
    13,331.82x = 91,128,737.67
  5. Step 5: Solve for x
    x = 91,128,737.67/13,331.82
  6. Step 6: Final answer
    x = 6,835.43

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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.