Home / 13,981.52-20,967.24-4,745.36

Finding the Fourth Proportional to 13,981.52, 20,967.24 and 4,745.36

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Solution

The fourth proportional to 13,981.52, 20,967.24 and 4,745.36 is: 7,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.52 : 20,967.24 = 4,745.36 : x
  2. Step 2: Convert to fraction form
    13,981.52/20,967.24 = 4,745.36/x
  3. Step 3: Cross multiply
    13,981.52x = 20,967.24 × 4,745.36
  4. Step 4: Simplify right side
    13,981.52x = 99,497,102.01
  5. Step 5: Solve for x
    x = 99,497,102.01/13,981.52
  6. Step 6: Final answer
    x = 7,116.33

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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.