Home / 22,786.40-34,147.60-18,114.40

Finding the Fourth Proportional to 22,786.40, 34,147.60 and 18,114.40

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Solution

The fourth proportional to 22,786.40, 34,147.60 and 18,114.40 is: 27,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.40 : 34,147.60 = 18,114.40 : x
  2. Step 2: Convert to fraction form
    22,786.40/34,147.60 = 18,114.40/x
  3. Step 3: Cross multiply
    22,786.40x = 34,147.60 × 18,114.40
  4. Step 4: Simplify right side
    22,786.40x = 618,563,285.44
  5. Step 5: Solve for x
    x = 618,563,285.44/22,786.40
  6. Step 6: Final answer
    x = 27,146.16

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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.