Home / 13,336.16-18,403.91-7,367.85

Finding the Fourth Proportional to 13,336.16, 18,403.91 and 7,367.85

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Solution

The fourth proportional to 13,336.16, 18,403.91 and 7,367.85 is: 10,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.16 : 18,403.91 = 7,367.85 : x
  2. Step 2: Convert to fraction form
    13,336.16/18,403.91 = 7,367.85/x
  3. Step 3: Cross multiply
    13,336.16x = 18,403.91 × 7,367.85
  4. Step 4: Simplify right side
    13,336.16x = 135,597,211.45
  5. Step 5: Solve for x
    x = 135,597,211.45/13,336.16
  6. Step 6: Final answer
    x = 10,167.64

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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.