Home / 19,829.56-27,365.12-10,876.90

Finding the Fourth Proportional to 19,829.56, 27,365.12 and 10,876.90

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Solution

The fourth proportional to 19,829.56, 27,365.12 and 10,876.90 is: 15,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.56 : 27,365.12 = 10,876.90 : x
  2. Step 2: Convert to fraction form
    19,829.56/27,365.12 = 10,876.90/x
  3. Step 3: Cross multiply
    19,829.56x = 27,365.12 × 10,876.90
  4. Step 4: Simplify right side
    19,829.56x = 297,647,673.73
  5. Step 5: Solve for x
    x = 297,647,673.73/19,829.56
  6. Step 6: Final answer
    x = 15,010.30

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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.