Home / 18,231.93-27,318.74-16,482.33

Finding the Fourth Proportional to 18,231.93, 27,318.74 and 16,482.33

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Solution

The fourth proportional to 18,231.93, 27,318.74 and 16,482.33 is: 24,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.93 : 27,318.74 = 16,482.33 : x
  2. Step 2: Convert to fraction form
    18,231.93/27,318.74 = 16,482.33/x
  3. Step 3: Cross multiply
    18,231.93x = 27,318.74 × 16,482.33
  4. Step 4: Simplify right side
    18,231.93x = 450,276,405.45
  5. Step 5: Solve for x
    x = 450,276,405.45/18,231.93
  6. Step 6: Final answer
    x = 24,697.13

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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.