Home / 19,816.05-27,346.11-10,863.56

Finding the Fourth Proportional to 19,816.05, 27,346.11 and 10,863.56

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Solution

The fourth proportional to 19,816.05, 27,346.11 and 10,863.56 is: 14,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.05 : 27,346.11 = 10,863.56 : x
  2. Step 2: Convert to fraction form
    19,816.05/27,346.11 = 10,863.56/x
  3. Step 3: Cross multiply
    19,816.05x = 27,346.11 × 10,863.56
  4. Step 4: Simplify right side
    19,816.05x = 297,076,106.75
  5. Step 5: Solve for x
    x = 297,076,106.75/19,816.05
  6. Step 6: Final answer
    x = 14,991.69

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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.