Home / 21,811.08-32,636.62-17,852.60

Finding the Fourth Proportional to 21,811.08, 32,636.62 and 17,852.60

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Solution

The fourth proportional to 21,811.08, 32,636.62 and 17,852.60 is: 26,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.08 : 32,636.62 = 17,852.60 : x
  2. Step 2: Convert to fraction form
    21,811.08/32,636.62 = 17,852.60/x
  3. Step 3: Cross multiply
    21,811.08x = 32,636.62 × 17,852.60
  4. Step 4: Simplify right side
    21,811.08x = 582,648,522.21
  5. Step 5: Solve for x
    x = 582,648,522.21/21,811.08
  6. Step 6: Final answer
    x = 26,713.42

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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.