Home / 18,482.81-27,757.62-16,999.36

Finding the Fourth Proportional to 18,482.81, 27,757.62 and 16,999.36

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Solution

The fourth proportional to 18,482.81, 27,757.62 and 16,999.36 is: 25,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.81 : 27,757.62 = 16,999.36 : x
  2. Step 2: Convert to fraction form
    18,482.81/27,757.62 = 16,999.36/x
  3. Step 3: Cross multiply
    18,482.81x = 27,757.62 × 16,999.36
  4. Step 4: Simplify right side
    18,482.81x = 471,861,705.73
  5. Step 5: Solve for x
    x = 471,861,705.73/18,482.81
  6. Step 6: Final answer
    x = 25,529.77

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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.