Home / 13,175.06-18,173.26-9,194.72

Finding the Fourth Proportional to 13,175.06, 18,173.26 and 9,194.72

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Solution

The fourth proportional to 13,175.06, 18,173.26 and 9,194.72 is: 12,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.06 : 18,173.26 = 9,194.72 : x
  2. Step 2: Convert to fraction form
    13,175.06/18,173.26 = 9,194.72/x
  3. Step 3: Cross multiply
    13,175.06x = 18,173.26 × 9,194.72
  4. Step 4: Simplify right side
    13,175.06x = 167,098,037.19
  5. Step 5: Solve for x
    x = 167,098,037.19/13,175.06
  6. Step 6: Final answer
    x = 12,682.91

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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.