Home / 21,936.55-32,852.10-12,548.11

Finding the Fourth Proportional to 21,936.55, 32,852.10 and 12,548.11

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Solution

The fourth proportional to 21,936.55, 32,852.10 and 12,548.11 is: 18,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.55 : 32,852.10 = 12,548.11 : x
  2. Step 2: Convert to fraction form
    21,936.55/32,852.10 = 12,548.11/x
  3. Step 3: Cross multiply
    21,936.55x = 32,852.10 × 12,548.11
  4. Step 4: Simplify right side
    21,936.55x = 412,231,764.53
  5. Step 5: Solve for x
    x = 412,231,764.53/21,936.55
  6. Step 6: Final answer
    x = 18,792.01

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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.