Home / 18,077.09-27,157.25-12,825.14

Finding the Fourth Proportional to 18,077.09, 27,157.25 and 12,825.14

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Solution

The fourth proportional to 18,077.09, 27,157.25 and 12,825.14 is: 19,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.09 : 27,157.25 = 12,825.14 : x
  2. Step 2: Convert to fraction form
    18,077.09/27,157.25 = 12,825.14/x
  3. Step 3: Cross multiply
    18,077.09x = 27,157.25 × 12,825.14
  4. Step 4: Simplify right side
    18,077.09x = 348,295,429.54
  5. Step 5: Solve for x
    x = 348,295,429.54/18,077.09
  6. Step 6: Final answer
    x = 19,267.23

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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.