Home / 43,556.94-65,345.13-12,394.62

Finding the Fourth Proportional to 43,556.94, 65,345.13 and 12,394.62

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Solution

The fourth proportional to 43,556.94, 65,345.13 and 12,394.62 is: 18,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,556.94 : 65,345.13 = 12,394.62 : x
  2. Step 2: Convert to fraction form
    43,556.94/65,345.13 = 12,394.62/x
  3. Step 3: Cross multiply
    43,556.94x = 65,345.13 × 12,394.62
  4. Step 4: Simplify right side
    43,556.94x = 809,928,055.20
  5. Step 5: Solve for x
    x = 809,928,055.20/43,556.94
  6. Step 6: Final answer
    x = 18,594.70

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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.