Home / 13,644.02-20,473.87-5,745.91

Finding the Fourth Proportional to 13,644.02, 20,473.87 and 5,745.91

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Solution

The fourth proportional to 13,644.02, 20,473.87 and 5,745.91 is: 8,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.02 : 20,473.87 = 5,745.91 : x
  2. Step 2: Convert to fraction form
    13,644.02/20,473.87 = 5,745.91/x
  3. Step 3: Cross multiply
    13,644.02x = 20,473.87 × 5,745.91
  4. Step 4: Simplify right side
    13,644.02x = 117,641,014.37
  5. Step 5: Solve for x
    x = 117,641,014.37/13,644.02
  6. Step 6: Final answer
    x = 8,622.17

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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.