Home / 13,829.87-20,738.31-5,058.65

Finding the Fourth Proportional to 13,829.87, 20,738.31 and 5,058.65

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Solution

The fourth proportional to 13,829.87, 20,738.31 and 5,058.65 is: 7,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.87 : 20,738.31 = 5,058.65 : x
  2. Step 2: Convert to fraction form
    13,829.87/20,738.31 = 5,058.65/x
  3. Step 3: Cross multiply
    13,829.87x = 20,738.31 × 5,058.65
  4. Step 4: Simplify right side
    13,829.87x = 104,907,748.19
  5. Step 5: Solve for x
    x = 104,907,748.19/13,829.87
  6. Step 6: Final answer
    x = 7,585.59

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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.