Home / 14,384.91-21,578.54-3,996.66

Finding the Fourth Proportional to 14,384.91, 21,578.54 and 3,996.66

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Solution

The fourth proportional to 14,384.91, 21,578.54 and 3,996.66 is: 5,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.91 : 21,578.54 = 3,996.66 : x
  2. Step 2: Convert to fraction form
    14,384.91/21,578.54 = 3,996.66/x
  3. Step 3: Cross multiply
    14,384.91x = 21,578.54 × 3,996.66
  4. Step 4: Simplify right side
    14,384.91x = 86,242,067.69
  5. Step 5: Solve for x
    x = 86,242,067.69/14,384.91
  6. Step 6: Final answer
    x = 5,995.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.