Home / 13,063.24-18,026.76-7,757.92

Finding the Fourth Proportional to 13,063.24, 18,026.76 and 7,757.92

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Solution

The fourth proportional to 13,063.24, 18,026.76 and 7,757.92 is: 10,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.24 : 18,026.76 = 7,757.92 : x
  2. Step 2: Convert to fraction form
    13,063.24/18,026.76 = 7,757.92/x
  3. Step 3: Cross multiply
    13,063.24x = 18,026.76 × 7,757.92
  4. Step 4: Simplify right side
    13,063.24x = 139,850,161.94
  5. Step 5: Solve for x
    x = 139,850,161.94/13,063.24
  6. Step 6: Final answer
    x = 10,705.63

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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.