Home / 14,126.64-19,450.42-11,997.69

Finding the Fourth Proportional to 14,126.64, 19,450.42 and 11,997.69

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Solution

The fourth proportional to 14,126.64, 19,450.42 and 11,997.69 is: 16,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.64 : 19,450.42 = 11,997.69 : x
  2. Step 2: Convert to fraction form
    14,126.64/19,450.42 = 11,997.69/x
  3. Step 3: Cross multiply
    14,126.64x = 19,450.42 × 11,997.69
  4. Step 4: Simplify right side
    14,126.64x = 233,360,109.53
  5. Step 5: Solve for x
    x = 233,360,109.53/14,126.64
  6. Step 6: Final answer
    x = 16,519.15

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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.