Home / 13,143.24-19,714.53-5,352.03

Finding the Fourth Proportional to 13,143.24, 19,714.53 and 5,352.03

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Solution

The fourth proportional to 13,143.24, 19,714.53 and 5,352.03 is: 8,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.24 : 19,714.53 = 5,352.03 : x
  2. Step 2: Convert to fraction form
    13,143.24/19,714.53 = 5,352.03/x
  3. Step 3: Cross multiply
    13,143.24x = 19,714.53 × 5,352.03
  4. Step 4: Simplify right side
    13,143.24x = 105,512,756.00
  5. Step 5: Solve for x
    x = 105,512,756.00/13,143.24
  6. Step 6: Final answer
    x = 8,027.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.