Home / 14,496.88-19,990.38-10,954.48

Finding the Fourth Proportional to 14,496.88, 19,990.38 and 10,954.48

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Solution

The fourth proportional to 14,496.88, 19,990.38 and 10,954.48 is: 15,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.88 : 19,990.38 = 10,954.48 : x
  2. Step 2: Convert to fraction form
    14,496.88/19,990.38 = 10,954.48/x
  3. Step 3: Cross multiply
    14,496.88x = 19,990.38 × 10,954.48
  4. Step 4: Simplify right side
    14,496.88x = 218,984,217.90
  5. Step 5: Solve for x
    x = 218,984,217.90/14,496.88
  6. Step 6: Final answer
    x = 15,105.61

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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.