Home / 13,295.99-19,947.17-3,808.45

Finding the Fourth Proportional to 13,295.99, 19,947.17 and 3,808.45

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Solution

The fourth proportional to 13,295.99, 19,947.17 and 3,808.45 is: 5,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.99 : 19,947.17 = 3,808.45 : x
  2. Step 2: Convert to fraction form
    13,295.99/19,947.17 = 3,808.45/x
  3. Step 3: Cross multiply
    13,295.99x = 19,947.17 × 3,808.45
  4. Step 4: Simplify right side
    13,295.99x = 75,967,721.84
  5. Step 5: Solve for x
    x = 75,967,721.84/13,295.99
  6. Step 6: Final answer
    x = 5,713.58

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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.