Home / 19,856.18-27,399.25-11,786.96

Finding the Fourth Proportional to 19,856.18, 27,399.25 and 11,786.96

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Solution

The fourth proportional to 19,856.18, 27,399.25 and 11,786.96 is: 16,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.18 : 27,399.25 = 11,786.96 : x
  2. Step 2: Convert to fraction form
    19,856.18/27,399.25 = 11,786.96/x
  3. Step 3: Cross multiply
    19,856.18x = 27,399.25 × 11,786.96
  4. Step 4: Simplify right side
    19,856.18x = 322,953,863.78
  5. Step 5: Solve for x
    x = 322,953,863.78/19,856.18
  6. Step 6: Final answer
    x = 16,264.65

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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.