Home / 22,893.19-31,594.61-12,821.47

Finding the Fourth Proportional to 22,893.19, 31,594.61 and 12,821.47

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Solution

The fourth proportional to 22,893.19, 31,594.61 and 12,821.47 is: 17,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,893.19 : 31,594.61 = 12,821.47 : x
  2. Step 2: Convert to fraction form
    22,893.19/31,594.61 = 12,821.47/x
  3. Step 3: Cross multiply
    22,893.19x = 31,594.61 × 12,821.47
  4. Step 4: Simplify right side
    22,893.19x = 405,089,344.28
  5. Step 5: Solve for x
    x = 405,089,344.28/22,893.19
  6. Step 6: Final answer
    x = 17,694.75

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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.