Home / 17,138.93-23,650.74-9,481.76

Finding the Fourth Proportional to 17,138.93, 23,650.74 and 9,481.76

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Solution

The fourth proportional to 17,138.93, 23,650.74 and 9,481.76 is: 13,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.93 : 23,650.74 = 9,481.76 : x
  2. Step 2: Convert to fraction form
    17,138.93/23,650.74 = 9,481.76/x
  3. Step 3: Cross multiply
    17,138.93x = 23,650.74 × 9,481.76
  4. Step 4: Simplify right side
    17,138.93x = 224,250,522.25
  5. Step 5: Solve for x
    x = 224,250,522.25/17,138.93
  6. Step 6: Final answer
    x = 13,084.28

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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.