Home / 21,334.52-32,024.32-11,982.54

Finding the Fourth Proportional to 21,334.52, 32,024.32 and 11,982.54

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Solution

The fourth proportional to 21,334.52, 32,024.32 and 11,982.54 is: 17,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.52 : 32,024.32 = 11,982.54 : x
  2. Step 2: Convert to fraction form
    21,334.52/32,024.32 = 11,982.54/x
  3. Step 3: Cross multiply
    21,334.52x = 32,024.32 × 11,982.54
  4. Step 4: Simplify right side
    21,334.52x = 383,732,695.37
  5. Step 5: Solve for x
    x = 383,732,695.37/21,334.52
  6. Step 6: Final answer
    x = 17,986.47

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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.