Home / 18,078.83-27,071.09-14,549.56

Finding the Fourth Proportional to 18,078.83, 27,071.09 and 14,549.56

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Solution

The fourth proportional to 18,078.83, 27,071.09 and 14,549.56 is: 21,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.83 : 27,071.09 = 14,549.56 : x
  2. Step 2: Convert to fraction form
    18,078.83/27,071.09 = 14,549.56/x
  3. Step 3: Cross multiply
    18,078.83x = 27,071.09 × 14,549.56
  4. Step 4: Simplify right side
    18,078.83x = 393,872,448.22
  5. Step 5: Solve for x
    x = 393,872,448.22/18,078.83
  6. Step 6: Final answer
    x = 21,786.39

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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.