Home / 14,512.65-20,035.68-11,103.25

Finding the Fourth Proportional to 14,512.65, 20,035.68 and 11,103.25

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Solution

The fourth proportional to 14,512.65, 20,035.68 and 11,103.25 is: 15,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.65 : 20,035.68 = 11,103.25 : x
  2. Step 2: Convert to fraction form
    14,512.65/20,035.68 = 11,103.25/x
  3. Step 3: Cross multiply
    14,512.65x = 20,035.68 × 11,103.25
  4. Step 4: Simplify right side
    14,512.65x = 222,461,163.96
  5. Step 5: Solve for x
    x = 222,461,163.96/14,512.65
  6. Step 6: Final answer
    x = 15,328.78

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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.