Home / 16,919.94-23,307.78-14,393.96

Finding the Fourth Proportional to 16,919.94, 23,307.78 and 14,393.96

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Solution

The fourth proportional to 16,919.94, 23,307.78 and 14,393.96 is: 19,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.94 : 23,307.78 = 14,393.96 : x
  2. Step 2: Convert to fraction form
    16,919.94/23,307.78 = 14,393.96/x
  3. Step 3: Cross multiply
    16,919.94x = 23,307.78 × 14,393.96
  4. Step 4: Simplify right side
    16,919.94x = 335,491,136.47
  5. Step 5: Solve for x
    x = 335,491,136.47/16,919.94
  6. Step 6: Final answer
    x = 19,828.15

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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.