Home / 13,059.28-19,591.80-3,826

Finding the Fourth Proportional to 13,059.28, 19,591.80 and 3,826

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Solution

The fourth proportional to 13,059.28, 19,591.80 and 3,826 is: 5,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.28 : 19,591.80 = 3,826 : x
  2. Step 2: Convert to fraction form
    13,059.28/19,591.80 = 3,826/x
  3. Step 3: Cross multiply
    13,059.28x = 19,591.80 × 3,826
  4. Step 4: Simplify right side
    13,059.28x = 74,958,226.80
  5. Step 5: Solve for x
    x = 74,958,226.80/13,059.28
  6. Step 6: Final answer
    x = 5,739.84

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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.