Home / 19,144.96-26,427.20-11,189.75

Finding the Fourth Proportional to 19,144.96, 26,427.20 and 11,189.75

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Solution

The fourth proportional to 19,144.96, 26,427.20 and 11,189.75 is: 15,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.96 : 26,427.20 = 11,189.75 : x
  2. Step 2: Convert to fraction form
    19,144.96/26,427.20 = 11,189.75/x
  3. Step 3: Cross multiply
    19,144.96x = 26,427.20 × 11,189.75
  4. Step 4: Simplify right side
    19,144.96x = 295,713,573.12
  5. Step 5: Solve for x
    x = 295,713,573.12/19,144.96
  6. Step 6: Final answer
    x = 15,446.03

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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.