Home / 22,679.44-31,297.62-13,248.07

Finding the Fourth Proportional to 22,679.44, 31,297.62 and 13,248.07

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Solution

The fourth proportional to 22,679.44, 31,297.62 and 13,248.07 is: 18,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.44 : 31,297.62 = 13,248.07 : x
  2. Step 2: Convert to fraction form
    22,679.44/31,297.62 = 13,248.07/x
  3. Step 3: Cross multiply
    22,679.44x = 31,297.62 × 13,248.07
  4. Step 4: Simplify right side
    22,679.44x = 414,633,032.03
  5. Step 5: Solve for x
    x = 414,633,032.03/22,679.44
  6. Step 6: Final answer
    x = 18,282.33

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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.