Home / 13,805.22-19,050.84-8,063.76

Finding the Fourth Proportional to 13,805.22, 19,050.84 and 8,063.76

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Solution

The fourth proportional to 13,805.22, 19,050.84 and 8,063.76 is: 11,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.22 : 19,050.84 = 8,063.76 : x
  2. Step 2: Convert to fraction form
    13,805.22/19,050.84 = 8,063.76/x
  3. Step 3: Cross multiply
    13,805.22x = 19,050.84 × 8,063.76
  4. Step 4: Simplify right side
    13,805.22x = 153,621,401.56
  5. Step 5: Solve for x
    x = 153,621,401.56/13,805.22
  6. Step 6: Final answer
    x = 11,127.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.