Home / 18,480.24-27,703.08-6,790.32

Finding the Fourth Proportional to 18,480.24, 27,703.08 and 6,790.32

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Solution

The fourth proportional to 18,480.24, 27,703.08 and 6,790.32 is: 10,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.24 : 27,703.08 = 6,790.32 : x
  2. Step 2: Convert to fraction form
    18,480.24/27,703.08 = 6,790.32/x
  3. Step 3: Cross multiply
    18,480.24x = 27,703.08 × 6,790.32
  4. Step 4: Simplify right side
    18,480.24x = 188,112,778.19
  5. Step 5: Solve for x
    x = 188,112,778.19/18,480.24
  6. Step 6: Final answer
    x = 10,179.13

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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.