Home / 21,692.35-32,556.95-15,467.60

Finding the Fourth Proportional to 21,692.35, 32,556.95 and 15,467.60

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Solution

The fourth proportional to 21,692.35, 32,556.95 and 15,467.60 is: 23,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.35 : 32,556.95 = 15,467.60 : x
  2. Step 2: Convert to fraction form
    21,692.35/32,556.95 = 15,467.60/x
  3. Step 3: Cross multiply
    21,692.35x = 32,556.95 × 15,467.60
  4. Step 4: Simplify right side
    21,692.35x = 503,577,999.88
  5. Step 5: Solve for x
    x = 503,577,999.88/21,692.35
  6. Step 6: Final answer
    x = 23,214.55

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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.