Home / 21,633.63-32,466.29-11,112.44

Finding the Fourth Proportional to 21,633.63, 32,466.29 and 11,112.44

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Solution

The fourth proportional to 21,633.63, 32,466.29 and 11,112.44 is: 16,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.63 : 32,466.29 = 11,112.44 : x
  2. Step 2: Convert to fraction form
    21,633.63/32,466.29 = 11,112.44/x
  3. Step 3: Cross multiply
    21,633.63x = 32,466.29 × 11,112.44
  4. Step 4: Simplify right side
    21,633.63x = 360,779,481.75
  5. Step 5: Solve for x
    x = 360,779,481.75/21,633.63
  6. Step 6: Final answer
    x = 16,676.79

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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.