Home / 18,532.14-27,804.73-12,316.83

Finding the Fourth Proportional to 18,532.14, 27,804.73 and 12,316.83

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Solution

The fourth proportional to 18,532.14, 27,804.73 and 12,316.83 is: 18,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.14 : 27,804.73 = 12,316.83 : x
  2. Step 2: Convert to fraction form
    18,532.14/27,804.73 = 12,316.83/x
  3. Step 3: Cross multiply
    18,532.14x = 27,804.73 × 12,316.83
  4. Step 4: Simplify right side
    18,532.14x = 342,465,993.58
  5. Step 5: Solve for x
    x = 342,465,993.58/18,532.14
  6. Step 6: Final answer
    x = 18,479.58

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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.