Home / 22,893.18-31,593.29-12,821.60

Finding the Fourth Proportional to 22,893.18, 31,593.29 and 12,821.60

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Solution

The fourth proportional to 22,893.18, 31,593.29 and 12,821.60 is: 17,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,893.18 : 31,593.29 = 12,821.60 : x
  2. Step 2: Convert to fraction form
    22,893.18/31,593.29 = 12,821.60/x
  3. Step 3: Cross multiply
    22,893.18x = 31,593.29 × 12,821.60
  4. Step 4: Simplify right side
    22,893.18x = 405,076,527.06
  5. Step 5: Solve for x
    x = 405,076,527.06/22,893.18
  6. Step 6: Final answer
    x = 17,694.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.