Home / 19,599.73-29,391.07-7,115.60

Finding the Fourth Proportional to 19,599.73, 29,391.07 and 7,115.60

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Solution

The fourth proportional to 19,599.73, 29,391.07 and 7,115.60 is: 10,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.73 : 29,391.07 = 7,115.60 : x
  2. Step 2: Convert to fraction form
    19,599.73/29,391.07 = 7,115.60/x
  3. Step 3: Cross multiply
    19,599.73x = 29,391.07 × 7,115.60
  4. Step 4: Simplify right side
    19,599.73x = 209,135,097.69
  5. Step 5: Solve for x
    x = 209,135,097.69/19,599.73
  6. Step 6: Final answer
    x = 10,670.31

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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.