Home / 19,412.68-26,789.76-11,027.56

Finding the Fourth Proportional to 19,412.68, 26,789.76 and 11,027.56

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Solution

The fourth proportional to 19,412.68, 26,789.76 and 11,027.56 is: 15,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.68 : 26,789.76 = 11,027.56 : x
  2. Step 2: Convert to fraction form
    19,412.68/26,789.76 = 11,027.56/x
  3. Step 3: Cross multiply
    19,412.68x = 26,789.76 × 11,027.56
  4. Step 4: Simplify right side
    19,412.68x = 295,425,685.79
  5. Step 5: Solve for x
    x = 295,425,685.79/19,412.68
  6. Step 6: Final answer
    x = 15,218.18

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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.