Home / 19,016.85-26,189.19-18,609.81

Finding the Fourth Proportional to 19,016.85, 26,189.19 and 18,609.81

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Solution

The fourth proportional to 19,016.85, 26,189.19 and 18,609.81 is: 25,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.85 : 26,189.19 = 18,609.81 : x
  2. Step 2: Convert to fraction form
    19,016.85/26,189.19 = 18,609.81/x
  3. Step 3: Cross multiply
    19,016.85x = 26,189.19 × 18,609.81
  4. Step 4: Simplify right side
    19,016.85x = 487,375,849.95
  5. Step 5: Solve for x
    x = 487,375,849.95/19,016.85
  6. Step 6: Final answer
    x = 25,628.63

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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.