Home / 19,629.09-29,440.71-6,481.58

Finding the Fourth Proportional to 19,629.09, 29,440.71 and 6,481.58

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Solution

The fourth proportional to 19,629.09, 29,440.71 and 6,481.58 is: 9,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.09 : 29,440.71 = 6,481.58 : x
  2. Step 2: Convert to fraction form
    19,629.09/29,440.71 = 6,481.58/x
  3. Step 3: Cross multiply
    19,629.09x = 29,440.71 × 6,481.58
  4. Step 4: Simplify right side
    19,629.09x = 190,822,169.92
  5. Step 5: Solve for x
    x = 190,822,169.92/19,629.09
  6. Step 6: Final answer
    x = 9,721.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.