Home / 18,563.87-27,845.79-5,416.23

Finding the Fourth Proportional to 18,563.87, 27,845.79 and 5,416.23

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Solution

The fourth proportional to 18,563.87, 27,845.79 and 5,416.23 is: 8,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.87 : 27,845.79 = 5,416.23 : x
  2. Step 2: Convert to fraction form
    18,563.87/27,845.79 = 5,416.23/x
  3. Step 3: Cross multiply
    18,563.87x = 27,845.79 × 5,416.23
  4. Step 4: Simplify right side
    18,563.87x = 150,819,203.17
  5. Step 5: Solve for x
    x = 150,819,203.17/18,563.87
  6. Step 6: Final answer
    x = 8,124.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.