Home / 22,643.73-31,252.05-13,212.27

Finding the Fourth Proportional to 22,643.73, 31,252.05 and 13,212.27

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Solution

The fourth proportional to 22,643.73, 31,252.05 and 13,212.27 is: 18,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.73 : 31,252.05 = 13,212.27 : x
  2. Step 2: Convert to fraction form
    22,643.73/31,252.05 = 13,212.27/x
  3. Step 3: Cross multiply
    22,643.73x = 31,252.05 × 13,212.27
  4. Step 4: Simplify right side
    22,643.73x = 412,910,522.65
  5. Step 5: Solve for x
    x = 412,910,522.65/22,643.73
  6. Step 6: Final answer
    x = 18,235.09

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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.