Home / 18,786.06-25,924.32-10,827.81

Finding the Fourth Proportional to 18,786.06, 25,924.32 and 10,827.81

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Solution

The fourth proportional to 18,786.06, 25,924.32 and 10,827.81 is: 14,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.06 : 25,924.32 = 10,827.81 : x
  2. Step 2: Convert to fraction form
    18,786.06/25,924.32 = 10,827.81/x
  3. Step 3: Cross multiply
    18,786.06x = 25,924.32 × 10,827.81
  4. Step 4: Simplify right side
    18,786.06x = 280,703,611.34
  5. Step 5: Solve for x
    x = 280,703,611.34/18,786.06
  6. Step 6: Final answer
    x = 14,942.12

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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.