Home / 22,745.52-31,388.13-12,673.34

Finding the Fourth Proportional to 22,745.52, 31,388.13 and 12,673.34

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Solution

The fourth proportional to 22,745.52, 31,388.13 and 12,673.34 is: 17,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.52 : 31,388.13 = 12,673.34 : x
  2. Step 2: Convert to fraction form
    22,745.52/31,388.13 = 12,673.34/x
  3. Step 3: Cross multiply
    22,745.52x = 31,388.13 × 12,673.34
  4. Step 4: Simplify right side
    22,745.52x = 397,792,286.51
  5. Step 5: Solve for x
    x = 397,792,286.51/22,745.52
  6. Step 6: Final answer
    x = 17,488.82

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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.