Home / 18,084.85-24,940.44-12,409.59

Finding the Fourth Proportional to 18,084.85, 24,940.44 and 12,409.59

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Solution

The fourth proportional to 18,084.85, 24,940.44 and 12,409.59 is: 17,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.85 : 24,940.44 = 12,409.59 : x
  2. Step 2: Convert to fraction form
    18,084.85/24,940.44 = 12,409.59/x
  3. Step 3: Cross multiply
    18,084.85x = 24,940.44 × 12,409.59
  4. Step 4: Simplify right side
    18,084.85x = 309,500,634.82
  5. Step 5: Solve for x
    x = 309,500,634.82/18,084.85
  6. Step 6: Final answer
    x = 17,113.81

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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.