Home / 13,336.44-18,404.67-7,368.50

Finding the Fourth Proportional to 13,336.44, 18,404.67 and 7,368.50

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Solution

The fourth proportional to 13,336.44, 18,404.67 and 7,368.50 is: 10,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.44 : 18,404.67 = 7,368.50 : x
  2. Step 2: Convert to fraction form
    13,336.44/18,404.67 = 7,368.50/x
  3. Step 3: Cross multiply
    13,336.44x = 18,404.67 × 7,368.50
  4. Step 4: Simplify right side
    13,336.44x = 135,614,718.87
  5. Step 5: Solve for x
    x = 135,614,718.87/13,336.44
  6. Step 6: Final answer
    x = 10,168.73

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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.