Home / 22,215.36-30,651.84-13,825.92

Finding the Fourth Proportional to 22,215.36, 30,651.84 and 13,825.92

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Solution

The fourth proportional to 22,215.36, 30,651.84 and 13,825.92 is: 19,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.36 : 30,651.84 = 13,825.92 : x
  2. Step 2: Convert to fraction form
    22,215.36/30,651.84 = 13,825.92/x
  3. Step 3: Cross multiply
    22,215.36x = 30,651.84 × 13,825.92
  4. Step 4: Simplify right side
    22,215.36x = 423,789,887.69
  5. Step 5: Solve for x
    x = 423,789,887.69/22,215.36
  6. Step 6: Final answer
    x = 19,076.44

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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.