Home / 21,815.94-32,733.62-11,425.26

Finding the Fourth Proportional to 21,815.94, 32,733.62 and 11,425.26

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Solution

The fourth proportional to 21,815.94, 32,733.62 and 11,425.26 is: 17,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.94 : 32,733.62 = 11,425.26 : x
  2. Step 2: Convert to fraction form
    21,815.94/32,733.62 = 11,425.26/x
  3. Step 3: Cross multiply
    21,815.94x = 32,733.62 × 11,425.26
  4. Step 4: Simplify right side
    21,815.94x = 373,990,119.24
  5. Step 5: Solve for x
    x = 373,990,119.24/21,815.94
  6. Step 6: Final answer
    x = 17,142.98

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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.