Home / 18,039.48-24,878.36-11,325.73

Finding the Fourth Proportional to 18,039.48, 24,878.36 and 11,325.73

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Solution

The fourth proportional to 18,039.48, 24,878.36 and 11,325.73 is: 15,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.48 : 24,878.36 = 11,325.73 : x
  2. Step 2: Convert to fraction form
    18,039.48/24,878.36 = 11,325.73/x
  3. Step 3: Cross multiply
    18,039.48x = 24,878.36 × 11,325.73
  4. Step 4: Simplify right side
    18,039.48x = 281,765,531.57
  5. Step 5: Solve for x
    x = 281,765,531.57/18,039.48
  6. Step 6: Final answer
    x = 15,619.39

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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.