Home / 16,988.10-25,481.24-5,299.98

Finding the Fourth Proportional to 16,988.10, 25,481.24 and 5,299.98

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Solution

The fourth proportional to 16,988.10, 25,481.24 and 5,299.98 is: 7,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.10 : 25,481.24 = 5,299.98 : x
  2. Step 2: Convert to fraction form
    16,988.10/25,481.24 = 5,299.98/x
  3. Step 3: Cross multiply
    16,988.10x = 25,481.24 × 5,299.98
  4. Step 4: Simplify right side
    16,988.10x = 135,050,062.38
  5. Step 5: Solve for x
    x = 135,050,062.38/16,988.10
  6. Step 6: Final answer
    x = 7,949.69

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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.