Home / 13,271.87-19,910.68-4,037.63

Finding the Fourth Proportional to 13,271.87, 19,910.68 and 4,037.63

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Solution

The fourth proportional to 13,271.87, 19,910.68 and 4,037.63 is: 6,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.87 : 19,910.68 = 4,037.63 : x
  2. Step 2: Convert to fraction form
    13,271.87/19,910.68 = 4,037.63/x
  3. Step 3: Cross multiply
    13,271.87x = 19,910.68 × 4,037.63
  4. Step 4: Simplify right side
    13,271.87x = 80,391,859.34
  5. Step 5: Solve for x
    x = 80,391,859.34/13,271.87
  6. Step 6: Final answer
    x = 6,057.31

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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.