Home / 21,576.96-32,385.60-11,196

Finding the Fourth Proportional to 21,576.96, 32,385.60 and 11,196

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Solution

The fourth proportional to 21,576.96, 32,385.60 and 11,196 is: 16,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.96 : 32,385.60 = 11,196 : x
  2. Step 2: Convert to fraction form
    21,576.96/32,385.60 = 11,196/x
  3. Step 3: Cross multiply
    21,576.96x = 32,385.60 × 11,196
  4. Step 4: Simplify right side
    21,576.96x = 362,589,177.60
  5. Step 5: Solve for x
    x = 362,589,177.60/21,576.96
  6. Step 6: Final answer
    x = 16,804.46

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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.