Home / 21,602.26-32,374.23-11,221.30

Finding the Fourth Proportional to 21,602.26, 32,374.23 and 11,221.30

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Solution

The fourth proportional to 21,602.26, 32,374.23 and 11,221.30 is: 16,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602.26 : 32,374.23 = 11,221.30 : x
  2. Step 2: Convert to fraction form
    21,602.26/32,374.23 = 11,221.30/x
  3. Step 3: Cross multiply
    21,602.26x = 32,374.23 × 11,221.30
  4. Step 4: Simplify right side
    21,602.26x = 363,280,947.10
  5. Step 5: Solve for x
    x = 363,280,947.10/21,602.26
  6. Step 6: Final answer
    x = 16,816.80

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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.