Home / 18,499.20-25,514.56-11,039.36

Finding the Fourth Proportional to 18,499.20, 25,514.56 and 11,039.36

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Solution

The fourth proportional to 18,499.20, 25,514.56 and 11,039.36 is: 15,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.20 : 25,514.56 = 11,039.36 : x
  2. Step 2: Convert to fraction form
    18,499.20/25,514.56 = 11,039.36/x
  3. Step 3: Cross multiply
    18,499.20x = 25,514.56 × 11,039.36
  4. Step 4: Simplify right side
    18,499.20x = 281,664,413.08
  5. Step 5: Solve for x
    x = 281,664,413.08/18,499.20
  6. Step 6: Final answer
    x = 15,225.76

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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.