Home / 19,863.64-27,414.02-11,366.56

Finding the Fourth Proportional to 19,863.64, 27,414.02 and 11,366.56

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Solution

The fourth proportional to 19,863.64, 27,414.02 and 11,366.56 is: 15,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.64 : 27,414.02 = 11,366.56 : x
  2. Step 2: Convert to fraction form
    19,863.64/27,414.02 = 11,366.56/x
  3. Step 3: Cross multiply
    19,863.64x = 27,414.02 × 11,366.56
  4. Step 4: Simplify right side
    19,863.64x = 311,603,103.17
  5. Step 5: Solve for x
    x = 311,603,103.17/19,863.64
  6. Step 6: Final answer
    x = 15,687.11

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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.