Home / 21,356.20-32,053.98-10,833.60

Finding the Fourth Proportional to 21,356.20, 32,053.98 and 10,833.60

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Solution

The fourth proportional to 21,356.20, 32,053.98 and 10,833.60 is: 16,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.20 : 32,053.98 = 10,833.60 : x
  2. Step 2: Convert to fraction form
    21,356.20/32,053.98 = 10,833.60/x
  3. Step 3: Cross multiply
    21,356.20x = 32,053.98 × 10,833.60
  4. Step 4: Simplify right side
    21,356.20x = 347,259,997.73
  5. Step 5: Solve for x
    x = 347,259,997.73/21,356.20
  6. Step 6: Final answer
    x = 16,260.38

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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.