Home / 17,120.67-23,629.64-9,951.57

Finding the Fourth Proportional to 17,120.67, 23,629.64 and 9,951.57

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Solution

The fourth proportional to 17,120.67, 23,629.64 and 9,951.57 is: 13,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.67 : 23,629.64 = 9,951.57 : x
  2. Step 2: Convert to fraction form
    17,120.67/23,629.64 = 9,951.57/x
  3. Step 3: Cross multiply
    17,120.67x = 23,629.64 × 9,951.57
  4. Step 4: Simplify right side
    17,120.67x = 235,151,966.78
  5. Step 5: Solve for x
    x = 235,151,966.78/17,120.67
  6. Step 6: Final answer
    x = 13,734.97

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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.