Home / 13,267.38-18,319.26-10,196.37

Finding the Fourth Proportional to 13,267.38, 18,319.26 and 10,196.37

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Solution

The fourth proportional to 13,267.38, 18,319.26 and 10,196.37 is: 14,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.38 : 18,319.26 = 10,196.37 : x
  2. Step 2: Convert to fraction form
    13,267.38/18,319.26 = 10,196.37/x
  3. Step 3: Cross multiply
    13,267.38x = 18,319.26 × 10,196.37
  4. Step 4: Simplify right side
    13,267.38x = 186,789,953.09
  5. Step 5: Solve for x
    x = 186,789,953.09/13,267.38
  6. Step 6: Final answer
    x = 14,078.89

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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.