Home / 22,745.41-31,389.26-12,674.27

Finding the Fourth Proportional to 22,745.41, 31,389.26 and 12,674.27

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Solution

The fourth proportional to 22,745.41, 31,389.26 and 12,674.27 is: 17,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.41 : 31,389.26 = 12,674.27 : x
  2. Step 2: Convert to fraction form
    22,745.41/31,389.26 = 12,674.27/x
  3. Step 3: Cross multiply
    22,745.41x = 31,389.26 × 12,674.27
  4. Step 4: Simplify right side
    22,745.41x = 397,835,971.44
  5. Step 5: Solve for x
    x = 397,835,971.44/22,745.41
  6. Step 6: Final answer
    x = 17,490.83

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1.5x scale

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.