Home / 19,676.61-29,518.56-7,998.03

Finding the Fourth Proportional to 19,676.61, 29,518.56 and 7,998.03

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Solution

The fourth proportional to 19,676.61, 29,518.56 and 7,998.03 is: 11,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.61 : 29,518.56 = 7,998.03 : x
  2. Step 2: Convert to fraction form
    19,676.61/29,518.56 = 7,998.03/x
  3. Step 3: Cross multiply
    19,676.61x = 29,518.56 × 7,998.03
  4. Step 4: Simplify right side
    19,676.61x = 236,090,328.44
  5. Step 5: Solve for x
    x = 236,090,328.44/19,676.61
  6. Step 6: Final answer
    x = 11,998.53

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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.