Home / 18,767.57-25,896.38-12,054.08

Finding the Fourth Proportional to 18,767.57, 25,896.38 and 12,054.08

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Solution

The fourth proportional to 18,767.57, 25,896.38 and 12,054.08 is: 16,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.57 : 25,896.38 = 12,054.08 : x
  2. Step 2: Convert to fraction form
    18,767.57/25,896.38 = 12,054.08/x
  3. Step 3: Cross multiply
    18,767.57x = 25,896.38 × 12,054.08
  4. Step 4: Simplify right side
    18,767.57x = 312,157,040.70
  5. Step 5: Solve for x
    x = 312,157,040.70/18,767.57
  6. Step 6: Final answer
    x = 16,632.79

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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.