Home / 19,896.44-27,452.12-12,814.34

Finding the Fourth Proportional to 19,896.44, 27,452.12 and 12,814.34

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Solution

The fourth proportional to 19,896.44, 27,452.12 and 12,814.34 is: 17,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.44 : 27,452.12 = 12,814.34 : x
  2. Step 2: Convert to fraction form
    19,896.44/27,452.12 = 12,814.34/x
  3. Step 3: Cross multiply
    19,896.44x = 27,452.12 × 12,814.34
  4. Step 4: Simplify right side
    19,896.44x = 351,780,799.40
  5. Step 5: Solve for x
    x = 351,780,799.40/19,896.44
  6. Step 6: Final answer
    x = 17,680.59

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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.