Home / 13,772.03-19,008.37-8,743.14

Finding the Fourth Proportional to 13,772.03, 19,008.37 and 8,743.14

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Solution

The fourth proportional to 13,772.03, 19,008.37 and 8,743.14 is: 12,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.03 : 19,008.37 = 8,743.14 : x
  2. Step 2: Convert to fraction form
    13,772.03/19,008.37 = 8,743.14/x
  3. Step 3: Cross multiply
    13,772.03x = 19,008.37 × 8,743.14
  4. Step 4: Simplify right side
    13,772.03x = 166,192,851.01
  5. Step 5: Solve for x
    x = 166,192,851.01/13,772.03
  6. Step 6: Final answer
    x = 12,067.42

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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.