Home / 13,050.37-19,578.21-5,553.91

Finding the Fourth Proportional to 13,050.37, 19,578.21 and 5,553.91

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Solution

The fourth proportional to 13,050.37, 19,578.21 and 5,553.91 is: 8,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.37 : 19,578.21 = 5,553.91 : x
  2. Step 2: Convert to fraction form
    13,050.37/19,578.21 = 5,553.91/x
  3. Step 3: Cross multiply
    13,050.37x = 19,578.21 × 5,553.91
  4. Step 4: Simplify right side
    13,050.37x = 108,735,616.30
  5. Step 5: Solve for x
    x = 108,735,616.30/13,050.37
  6. Step 6: Final answer
    x = 8,331.99

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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.