Home / 19,380.44-26,749.17-11,825.14

Finding the Fourth Proportional to 19,380.44, 26,749.17 and 11,825.14

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Solution

The fourth proportional to 19,380.44, 26,749.17 and 11,825.14 is: 16,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.44 : 26,749.17 = 11,825.14 : x
  2. Step 2: Convert to fraction form
    19,380.44/26,749.17 = 11,825.14/x
  3. Step 3: Cross multiply
    19,380.44x = 26,749.17 × 11,825.14
  4. Step 4: Simplify right side
    19,380.44x = 316,312,680.13
  5. Step 5: Solve for x
    x = 316,312,680.13/19,380.44
  6. Step 6: Final answer
    x = 16,321.23

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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.