Home / 21,968.64-32,922.24-10,252.80

Finding the Fourth Proportional to 21,968.64, 32,922.24 and 10,252.80

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Solution

The fourth proportional to 21,968.64, 32,922.24 and 10,252.80 is: 15,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.64 : 32,922.24 = 10,252.80 : x
  2. Step 2: Convert to fraction form
    21,968.64/32,922.24 = 10,252.80/x
  3. Step 3: Cross multiply
    21,968.64x = 32,922.24 × 10,252.80
  4. Step 4: Simplify right side
    21,968.64x = 337,545,142.27
  5. Step 5: Solve for x
    x = 337,545,142.27/21,968.64
  6. Step 6: Final answer
    x = 15,364.86

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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.