Home / 14,738.10-20,322.99-11,381.46

Finding the Fourth Proportional to 14,738.10, 20,322.99 and 11,381.46

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Solution

The fourth proportional to 14,738.10, 20,322.99 and 11,381.46 is: 15,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.10 : 20,322.99 = 11,381.46 : x
  2. Step 2: Convert to fraction form
    14,738.10/20,322.99 = 11,381.46/x
  3. Step 3: Cross multiply
    14,738.10x = 20,322.99 × 11,381.46
  4. Step 4: Simplify right side
    14,738.10x = 231,305,297.77
  5. Step 5: Solve for x
    x = 231,305,297.77/14,738.10
  6. Step 6: Final answer
    x = 15,694.38

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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.