Home / 22,784.16-31,442.46-12,576.33

Finding the Fourth Proportional to 22,784.16, 31,442.46 and 12,576.33

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Solution

The fourth proportional to 22,784.16, 31,442.46 and 12,576.33 is: 17,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.16 : 31,442.46 = 12,576.33 : x
  2. Step 2: Convert to fraction form
    22,784.16/31,442.46 = 12,576.33/x
  3. Step 3: Cross multiply
    22,784.16x = 31,442.46 × 12,576.33
  4. Step 4: Simplify right side
    22,784.16x = 395,430,752.97
  5. Step 5: Solve for x
    x = 395,430,752.97/22,784.16
  6. Step 6: Final answer
    x = 17,355.51

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