Home / 19,627.31-29,440.87-10,880.73

Finding the Fourth Proportional to 19,627.31, 29,440.87 and 10,880.73

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Solution

The fourth proportional to 19,627.31, 29,440.87 and 10,880.73 is: 16,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.31 : 29,440.87 = 10,880.73 : x
  2. Step 2: Convert to fraction form
    19,627.31/29,440.87 = 10,880.73/x
  3. Step 3: Cross multiply
    19,627.31x = 29,440.87 × 10,880.73
  4. Step 4: Simplify right side
    19,627.31x = 320,338,130.23
  5. Step 5: Solve for x
    x = 320,338,130.23/19,627.31
  6. Step 6: Final answer
    x = 16,321.04

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Double scale
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Similar ratio
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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.