Home / 18,880.96-26,056.38-10,383.44

Finding the Fourth Proportional to 18,880.96, 26,056.38 and 10,383.44

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Solution

The fourth proportional to 18,880.96, 26,056.38 and 10,383.44 is: 14,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.96 : 26,056.38 = 10,383.44 : x
  2. Step 2: Convert to fraction form
    18,880.96/26,056.38 = 10,383.44/x
  3. Step 3: Cross multiply
    18,880.96x = 26,056.38 × 10,383.44
  4. Step 4: Simplify right side
    18,880.96x = 270,554,858.35
  5. Step 5: Solve for x
    x = 270,554,858.35/18,880.96
  6. Step 6: Final answer
    x = 14,329.51

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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.