Home / 18,786.16-25,924.86-10,828.33

Finding the Fourth Proportional to 18,786.16, 25,924.86 and 10,828.33

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Solution

The fourth proportional to 18,786.16, 25,924.86 and 10,828.33 is: 14,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.16 : 25,924.86 = 10,828.33 : x
  2. Step 2: Convert to fraction form
    18,786.16/25,924.86 = 10,828.33/x
  3. Step 3: Cross multiply
    18,786.16x = 25,924.86 × 10,828.33
  4. Step 4: Simplify right side
    18,786.16x = 280,722,939.28
  5. Step 5: Solve for x
    x = 280,722,939.28/18,786.16
  6. Step 6: Final answer
    x = 14,943.07

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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.