Home / 12,550.61-18,788.93-10,993.65

Finding the Fourth Proportional to 12,550.61, 18,788.93 and 10,993.65

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Solution

The fourth proportional to 12,550.61, 18,788.93 and 10,993.65 is: 16,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.61 : 18,788.93 = 10,993.65 : x
  2. Step 2: Convert to fraction form
    12,550.61/18,788.93 = 10,993.65/x
  3. Step 3: Cross multiply
    12,550.61x = 18,788.93 × 10,993.65
  4. Step 4: Simplify right side
    12,550.61x = 206,558,865.33
  5. Step 5: Solve for x
    x = 206,558,865.33/12,550.61
  6. Step 6: Final answer
    x = 16,458.08

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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.