Home / 18,410.88-27,601.32-8,556.36

Finding the Fourth Proportional to 18,410.88, 27,601.32 and 8,556.36

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Solution

The fourth proportional to 18,410.88, 27,601.32 and 8,556.36 is: 12,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.88 : 27,601.32 = 8,556.36 : x
  2. Step 2: Convert to fraction form
    18,410.88/27,601.32 = 8,556.36/x
  3. Step 3: Cross multiply
    18,410.88x = 27,601.32 × 8,556.36
  4. Step 4: Simplify right side
    18,410.88x = 236,166,830.40
  5. Step 5: Solve for x
    x = 236,166,830.40/18,410.88
  6. Step 6: Final answer
    x = 12,827.57

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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.