Home / 13,336.23-18,404.16-7,367.84

Finding the Fourth Proportional to 13,336.23, 18,404.16 and 7,367.84

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Solution

The fourth proportional to 13,336.23, 18,404.16 and 7,367.84 is: 10,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.23 : 18,404.16 = 7,367.84 : x
  2. Step 2: Convert to fraction form
    13,336.23/18,404.16 = 7,367.84/x
  3. Step 3: Cross multiply
    13,336.23x = 18,404.16 × 7,367.84
  4. Step 4: Simplify right side
    13,336.23x = 135,598,952.22
  5. Step 5: Solve for x
    x = 135,598,952.22/13,336.23
  6. Step 6: Final answer
    x = 10,167.71

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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.