Home / 22,866.24-31,556.28-13,305.36

Finding the Fourth Proportional to 22,866.24, 31,556.28 and 13,305.36

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Solution

The fourth proportional to 22,866.24, 31,556.28 and 13,305.36 is: 18,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.24 : 31,556.28 = 13,305.36 : x
  2. Step 2: Convert to fraction form
    22,866.24/31,556.28 = 13,305.36/x
  3. Step 3: Cross multiply
    22,866.24x = 31,556.28 × 13,305.36
  4. Step 4: Simplify right side
    22,866.24x = 419,867,665.66
  5. Step 5: Solve for x
    x = 419,867,665.66/22,866.24
  6. Step 6: Final answer
    x = 18,361.90

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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.