Home / 13,944.56-19,244.53-8,640.41

Finding the Fourth Proportional to 13,944.56, 19,244.53 and 8,640.41

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Solution

The fourth proportional to 13,944.56, 19,244.53 and 8,640.41 is: 11,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.56 : 19,244.53 = 8,640.41 : x
  2. Step 2: Convert to fraction form
    13,944.56/19,244.53 = 8,640.41/x
  3. Step 3: Cross multiply
    13,944.56x = 19,244.53 × 8,640.41
  4. Step 4: Simplify right side
    13,944.56x = 166,280,655.97
  5. Step 5: Solve for x
    x = 166,280,655.97/13,944.56
  6. Step 6: Final answer
    x = 11,924.41

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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.