Home / 13,828.98-20,745.53-5,063.21

Finding the Fourth Proportional to 13,828.98, 20,745.53 and 5,063.21

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Solution

The fourth proportional to 13,828.98, 20,745.53 and 5,063.21 is: 7,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.98 : 20,745.53 = 5,063.21 : x
  2. Step 2: Convert to fraction form
    13,828.98/20,745.53 = 5,063.21/x
  3. Step 3: Cross multiply
    13,828.98x = 20,745.53 × 5,063.21
  4. Step 4: Simplify right side
    13,828.98x = 105,038,845.91
  5. Step 5: Solve for x
    x = 105,038,845.91/13,828.98
  6. Step 6: Final answer
    x = 7,595.56

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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.