Home / 13,336.22-18,397.86-8,622.02

Finding the Fourth Proportional to 13,336.22, 18,397.86 and 8,622.02

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Solution

The fourth proportional to 13,336.22, 18,397.86 and 8,622.02 is: 11,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.22 : 18,397.86 = 8,622.02 : x
  2. Step 2: Convert to fraction form
    13,336.22/18,397.86 = 8,622.02/x
  3. Step 3: Cross multiply
    13,336.22x = 18,397.86 × 8,622.02
  4. Step 4: Simplify right side
    13,336.22x = 158,626,716.88
  5. Step 5: Solve for x
    x = 158,626,716.88/13,336.22
  6. Step 6: Final answer
    x = 11,894.43

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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.