Home / 18,316.26-25,269.28-11,950.33

Finding the Fourth Proportional to 18,316.26, 25,269.28 and 11,950.33

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Solution

The fourth proportional to 18,316.26, 25,269.28 and 11,950.33 is: 16,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.26 : 25,269.28 = 11,950.33 : x
  2. Step 2: Convert to fraction form
    18,316.26/25,269.28 = 11,950.33/x
  3. Step 3: Cross multiply
    18,316.26x = 25,269.28 × 11,950.33
  4. Step 4: Simplify right side
    18,316.26x = 301,976,234.86
  5. Step 5: Solve for x
    x = 301,976,234.86/18,316.26
  6. Step 6: Final answer
    x = 16,486.78

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1.5x scale

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.