Home / 13,449.84-20,160.99-4,679.97

Finding the Fourth Proportional to 13,449.84, 20,160.99 and 4,679.97

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Solution

The fourth proportional to 13,449.84, 20,160.99 and 4,679.97 is: 7,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.84 : 20,160.99 = 4,679.97 : x
  2. Step 2: Convert to fraction form
    13,449.84/20,160.99 = 4,679.97/x
  3. Step 3: Cross multiply
    13,449.84x = 20,160.99 × 4,679.97
  4. Step 4: Simplify right side
    13,449.84x = 94,352,828.37
  5. Step 5: Solve for x
    x = 94,352,828.37/13,449.84
  6. Step 6: Final answer
    x = 7,015.16

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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.