Home / 16,988.60-25,481.99-5,300.48

Finding the Fourth Proportional to 16,988.60, 25,481.99 and 5,300.48

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Solution

The fourth proportional to 16,988.60, 25,481.99 and 5,300.48 is: 7,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.60 : 25,481.99 = 5,300.48 : x
  2. Step 2: Convert to fraction form
    16,988.60/25,481.99 = 5,300.48/x
  3. Step 3: Cross multiply
    16,988.60x = 25,481.99 × 5,300.48
  4. Step 4: Simplify right side
    16,988.60x = 135,066,778.36
  5. Step 5: Solve for x
    x = 135,066,778.36/16,988.60
  6. Step 6: Final answer
    x = 7,950.44

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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.