Home / 12,262.27-18,345.57-10,769.65

Finding the Fourth Proportional to 12,262.27, 18,345.57 and 10,769.65

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Solution

The fourth proportional to 12,262.27, 18,345.57 and 10,769.65 is: 16,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.27 : 18,345.57 = 10,769.65 : x
  2. Step 2: Convert to fraction form
    12,262.27/18,345.57 = 10,769.65/x
  3. Step 3: Cross multiply
    12,262.27x = 18,345.57 × 10,769.65
  4. Step 4: Simplify right side
    12,262.27x = 197,575,367.95
  5. Step 5: Solve for x
    x = 197,575,367.95/12,262.27
  6. Step 6: Final answer
    x = 16,112.46

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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.