Home / 17,120.42-23,629.30-9,951.32

Finding the Fourth Proportional to 17,120.42, 23,629.30 and 9,951.32

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Solution

The fourth proportional to 17,120.42, 23,629.30 and 9,951.32 is: 13,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.42 : 23,629.30 = 9,951.32 : x
  2. Step 2: Convert to fraction form
    17,120.42/23,629.30 = 9,951.32/x
  3. Step 3: Cross multiply
    17,120.42x = 23,629.30 × 9,951.32
  4. Step 4: Simplify right side
    17,120.42x = 235,142,725.68
  5. Step 5: Solve for x
    x = 235,142,725.68/17,120.42
  6. Step 6: Final answer
    x = 13,734.64

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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.