Home / 19,643.14-27,076.06-13,267.73

Finding the Fourth Proportional to 19,643.14, 27,076.06 and 13,267.73

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Solution

The fourth proportional to 19,643.14, 27,076.06 and 13,267.73 is: 18,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.14 : 27,076.06 = 13,267.73 : x
  2. Step 2: Convert to fraction form
    19,643.14/27,076.06 = 13,267.73/x
  3. Step 3: Cross multiply
    19,643.14x = 27,076.06 × 13,267.73
  4. Step 4: Simplify right side
    19,643.14x = 359,237,853.54
  5. Step 5: Solve for x
    x = 359,237,853.54/19,643.14
  6. Step 6: Final answer
    x = 18,288.21

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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.