Home / 18,584.10-27,857.32-11,153.77

Finding the Fourth Proportional to 18,584.10, 27,857.32 and 11,153.77

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Solution

The fourth proportional to 18,584.10, 27,857.32 and 11,153.77 is: 16,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.10 : 27,857.32 = 11,153.77 : x
  2. Step 2: Convert to fraction form
    18,584.10/27,857.32 = 11,153.77/x
  3. Step 3: Cross multiply
    18,584.10x = 27,857.32 × 11,153.77
  4. Step 4: Simplify right side
    18,584.10x = 310,714,042.57
  5. Step 5: Solve for x
    x = 310,714,042.57/18,584.10
  6. Step 6: Final answer
    x = 16,719.35

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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.