Home / 14,321.03-21,456.13-5,982.69

Finding the Fourth Proportional to 14,321.03, 21,456.13 and 5,982.69

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Solution

The fourth proportional to 14,321.03, 21,456.13 and 5,982.69 is: 8,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.03 : 21,456.13 = 5,982.69 : x
  2. Step 2: Convert to fraction form
    14,321.03/21,456.13 = 5,982.69/x
  3. Step 3: Cross multiply
    14,321.03x = 21,456.13 × 5,982.69
  4. Step 4: Simplify right side
    14,321.03x = 128,365,374.39
  5. Step 5: Solve for x
    x = 128,365,374.39/14,321.03
  6. Step 6: Final answer
    x = 8,963.42

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1.5x scale

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.