Home / 13,371.39-18,446.71-8,063.25

Finding the Fourth Proportional to 13,371.39, 18,446.71 and 8,063.25

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Solution

The fourth proportional to 13,371.39, 18,446.71 and 8,063.25 is: 11,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.39 : 18,446.71 = 8,063.25 : x
  2. Step 2: Convert to fraction form
    13,371.39/18,446.71 = 8,063.25/x
  3. Step 3: Cross multiply
    13,371.39x = 18,446.71 × 8,063.25
  4. Step 4: Simplify right side
    13,371.39x = 148,740,394.09
  5. Step 5: Solve for x
    x = 148,740,394.09/13,371.39
  6. Step 6: Final answer
    x = 11,123.78

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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.