Home / 13,940.90-19,222.22-9,467.54

Finding the Fourth Proportional to 13,940.90, 19,222.22 and 9,467.54

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Solution

The fourth proportional to 13,940.90, 19,222.22 and 9,467.54 is: 13,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.90 : 19,222.22 = 9,467.54 : x
  2. Step 2: Convert to fraction form
    13,940.90/19,222.22 = 9,467.54/x
  3. Step 3: Cross multiply
    13,940.90x = 19,222.22 × 9,467.54
  4. Step 4: Simplify right side
    13,940.90x = 181,986,993.29
  5. Step 5: Solve for x
    x = 181,986,993.29/13,940.90
  6. Step 6: Final answer
    x = 13,054.18

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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.