Home / 21,692.20-32,556.77-15,467.46

Finding the Fourth Proportional to 21,692.20, 32,556.77 and 15,467.46

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Solution

The fourth proportional to 21,692.20, 32,556.77 and 15,467.46 is: 23,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.20 : 32,556.77 = 15,467.46 : x
  2. Step 2: Convert to fraction form
    21,692.20/32,556.77 = 15,467.46/x
  3. Step 3: Cross multiply
    21,692.20x = 32,556.77 × 15,467.46
  4. Step 4: Simplify right side
    21,692.20x = 503,570,537.70
  5. Step 5: Solve for x
    x = 503,570,537.70/21,692.20
  6. Step 6: Final answer
    x = 23,214.36

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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.