Home / 21,653.96-32,474.34-11,260.04

Finding the Fourth Proportional to 21,653.96, 32,474.34 and 11,260.04

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Solution

The fourth proportional to 21,653.96, 32,474.34 and 11,260.04 is: 16,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.96 : 32,474.34 = 11,260.04 : x
  2. Step 2: Convert to fraction form
    21,653.96/32,474.34 = 11,260.04/x
  3. Step 3: Cross multiply
    21,653.96x = 32,474.34 × 11,260.04
  4. Step 4: Simplify right side
    21,653.96x = 365,662,367.37
  5. Step 5: Solve for x
    x = 365,662,367.37/21,653.96
  6. Step 6: Final answer
    x = 16,886.63

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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.