Home / 19,585.43-27,021.44-11,086.70

Finding the Fourth Proportional to 19,585.43, 27,021.44 and 11,086.70

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Solution

The fourth proportional to 19,585.43, 27,021.44 and 11,086.70 is: 15,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.43 : 27,021.44 = 11,086.70 : x
  2. Step 2: Convert to fraction form
    19,585.43/27,021.44 = 11,086.70/x
  3. Step 3: Cross multiply
    19,585.43x = 27,021.44 × 11,086.70
  4. Step 4: Simplify right side
    19,585.43x = 299,578,408.31
  5. Step 5: Solve for x
    x = 299,578,408.31/19,585.43
  6. Step 6: Final answer
    x = 15,295.99

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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.