Home / 19,863.14-27,409.50-10,910.43

Finding the Fourth Proportional to 19,863.14, 27,409.50 and 10,910.43

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Solution

The fourth proportional to 19,863.14, 27,409.50 and 10,910.43 is: 15,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.14 : 27,409.50 = 10,910.43 : x
  2. Step 2: Convert to fraction form
    19,863.14/27,409.50 = 10,910.43/x
  3. Step 3: Cross multiply
    19,863.14x = 27,409.50 × 10,910.43
  4. Step 4: Simplify right side
    19,863.14x = 299,049,431.09
  5. Step 5: Solve for x
    x = 299,049,431.09/19,863.14
  6. Step 6: Final answer
    x = 15,055.50

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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.