Home / 18,406.85-27,609.62-5,927.72

Finding the Fourth Proportional to 18,406.85, 27,609.62 and 5,927.72

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Solution

The fourth proportional to 18,406.85, 27,609.62 and 5,927.72 is: 8,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.85 : 27,609.62 = 5,927.72 : x
  2. Step 2: Convert to fraction form
    18,406.85/27,609.62 = 5,927.72/x
  3. Step 3: Cross multiply
    18,406.85x = 27,609.62 × 5,927.72
  4. Step 4: Simplify right side
    18,406.85x = 163,661,928.98
  5. Step 5: Solve for x
    x = 163,661,928.98/18,406.85
  6. Step 6: Final answer
    x = 8,891.36

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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.