Home / 18,739.92-25,852.32-12,022.32

Finding the Fourth Proportional to 18,739.92, 25,852.32 and 12,022.32

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Solution

The fourth proportional to 18,739.92, 25,852.32 and 12,022.32 is: 16,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.92 : 25,852.32 = 12,022.32 : x
  2. Step 2: Convert to fraction form
    18,739.92/25,852.32 = 12,022.32/x
  3. Step 3: Cross multiply
    18,739.92x = 25,852.32 × 12,022.32
  4. Step 4: Simplify right side
    18,739.92x = 310,804,863.78
  5. Step 5: Solve for x
    x = 310,804,863.78/18,739.92
  6. Step 6: Final answer
    x = 16,585.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.