Home / 21,816.42-32,724.60-7,026.48

Finding the Fourth Proportional to 21,816.42, 32,724.60 and 7,026.48

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Solution

The fourth proportional to 21,816.42, 32,724.60 and 7,026.48 is: 10,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.42 : 32,724.60 = 7,026.48 : x
  2. Step 2: Convert to fraction form
    21,816.42/32,724.60 = 7,026.48/x
  3. Step 3: Cross multiply
    21,816.42x = 32,724.60 × 7,026.48
  4. Step 4: Simplify right side
    21,816.42x = 229,938,747.41
  5. Step 5: Solve for x
    x = 229,938,747.41/21,816.42
  6. Step 6: Final answer
    x = 10,539.71

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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.