Home / 15,735.62-21,714.53-9,016.59

Finding the Fourth Proportional to 15,735.62, 21,714.53 and 9,016.59

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Solution

The fourth proportional to 15,735.62, 21,714.53 and 9,016.59 is: 12,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.62 : 21,714.53 = 9,016.59 : x
  2. Step 2: Convert to fraction form
    15,735.62/21,714.53 = 9,016.59/x
  3. Step 3: Cross multiply
    15,735.62x = 21,714.53 × 9,016.59
  4. Step 4: Simplify right side
    15,735.62x = 195,790,968.97
  5. Step 5: Solve for x
    x = 195,790,968.97/15,735.62
  6. Step 6: Final answer
    x = 12,442.54

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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.