Home / 18,331.62-27,477.75-12,004.08

Finding the Fourth Proportional to 18,331.62, 27,477.75 and 12,004.08

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Solution

The fourth proportional to 18,331.62, 27,477.75 and 12,004.08 is: 17,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.62 : 27,477.75 = 12,004.08 : x
  2. Step 2: Convert to fraction form
    18,331.62/27,477.75 = 12,004.08/x
  3. Step 3: Cross multiply
    18,331.62x = 27,477.75 × 12,004.08
  4. Step 4: Simplify right side
    18,331.62x = 329,845,138.23
  5. Step 5: Solve for x
    x = 329,845,138.23/18,331.62
  6. Step 6: Final answer
    x = 17,993.24

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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.