Home / 21,692.70-32,557.52-15,467.96

Finding the Fourth Proportional to 21,692.70, 32,557.52 and 15,467.96

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Solution

The fourth proportional to 21,692.70, 32,557.52 and 15,467.96 is: 23,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.70 : 32,557.52 = 15,467.96 : x
  2. Step 2: Convert to fraction form
    21,692.70/32,557.52 = 15,467.96/x
  3. Step 3: Cross multiply
    21,692.70x = 32,557.52 × 15,467.96
  4. Step 4: Simplify right side
    21,692.70x = 503,598,537.12
  5. Step 5: Solve for x
    x = 503,598,537.12/21,692.70
  6. Step 6: Final answer
    x = 23,215.12

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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.