Home / 16,813.46-25,220.19-5,126.58

Finding the Fourth Proportional to 16,813.46, 25,220.19 and 5,126.58

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Solution

The fourth proportional to 16,813.46, 25,220.19 and 5,126.58 is: 7,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.46 : 25,220.19 = 5,126.58 : x
  2. Step 2: Convert to fraction form
    16,813.46/25,220.19 = 5,126.58/x
  3. Step 3: Cross multiply
    16,813.46x = 25,220.19 × 5,126.58
  4. Step 4: Simplify right side
    16,813.46x = 129,293,321.65
  5. Step 5: Solve for x
    x = 129,293,321.65/16,813.46
  6. Step 6: Final answer
    x = 7,689.87

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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.