Home / 19,964.82-27,551.40-11,467.50

Finding the Fourth Proportional to 19,964.82, 27,551.40 and 11,467.50

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Solution

The fourth proportional to 19,964.82, 27,551.40 and 11,467.50 is: 15,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.82 : 27,551.40 = 11,467.50 : x
  2. Step 2: Convert to fraction form
    19,964.82/27,551.40 = 11,467.50/x
  3. Step 3: Cross multiply
    19,964.82x = 27,551.40 × 11,467.50
  4. Step 4: Simplify right side
    19,964.82x = 315,945,679.50
  5. Step 5: Solve for x
    x = 315,945,679.50/19,964.82
  6. Step 6: Final answer
    x = 15,825.12

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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.