Home / 13,352.15-20,029.58-3,491.51

Finding the Fourth Proportional to 13,352.15, 20,029.58 and 3,491.51

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Solution

The fourth proportional to 13,352.15, 20,029.58 and 3,491.51 is: 5,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.15 : 20,029.58 = 3,491.51 : x
  2. Step 2: Convert to fraction form
    13,352.15/20,029.58 = 3,491.51/x
  3. Step 3: Cross multiply
    13,352.15x = 20,029.58 × 3,491.51
  4. Step 4: Simplify right side
    13,352.15x = 69,933,537.67
  5. Step 5: Solve for x
    x = 69,933,537.67/13,352.15
  6. Step 6: Final answer
    x = 5,237.62

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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.