Home / 18,039.25-24,885.48-11,321.56

Finding the Fourth Proportional to 18,039.25, 24,885.48 and 11,321.56

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Solution

The fourth proportional to 18,039.25, 24,885.48 and 11,321.56 is: 15,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.25 : 24,885.48 = 11,321.56 : x
  2. Step 2: Convert to fraction form
    18,039.25/24,885.48 = 11,321.56/x
  3. Step 3: Cross multiply
    18,039.25x = 24,885.48 × 11,321.56
  4. Step 4: Simplify right side
    18,039.25x = 281,742,454.95
  5. Step 5: Solve for x
    x = 281,742,454.95/18,039.25
  6. Step 6: Final answer
    x = 15,618.30

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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.