Home / 13,192.33-18,205.41-7,224.36

Finding the Fourth Proportional to 13,192.33, 18,205.41 and 7,224.36

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Solution

The fourth proportional to 13,192.33, 18,205.41 and 7,224.36 is: 9,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.33 : 18,205.41 = 7,224.36 : x
  2. Step 2: Convert to fraction form
    13,192.33/18,205.41 = 7,224.36/x
  3. Step 3: Cross multiply
    13,192.33x = 18,205.41 × 7,224.36
  4. Step 4: Simplify right side
    13,192.33x = 131,522,435.79
  5. Step 5: Solve for x
    x = 131,522,435.79/13,192.33
  6. Step 6: Final answer
    x = 9,969.62

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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.