Home / 18,753.93-25,860.67-11,668.05

Finding the Fourth Proportional to 18,753.93, 25,860.67 and 11,668.05

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Solution

The fourth proportional to 18,753.93, 25,860.67 and 11,668.05 is: 16,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.93 : 25,860.67 = 11,668.05 : x
  2. Step 2: Convert to fraction form
    18,753.93/25,860.67 = 11,668.05/x
  3. Step 3: Cross multiply
    18,753.93x = 25,860.67 × 11,668.05
  4. Step 4: Simplify right side
    18,753.93x = 301,743,561.42
  5. Step 5: Solve for x
    x = 301,743,561.42/18,753.93
  6. Step 6: Final answer
    x = 16,089.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.