Home / 14,079.22-19,429.05-7,791.64

Finding the Fourth Proportional to 14,079.22, 19,429.05 and 7,791.64

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Solution

The fourth proportional to 14,079.22, 19,429.05 and 7,791.64 is: 10,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.22 : 19,429.05 = 7,791.64 : x
  2. Step 2: Convert to fraction form
    14,079.22/19,429.05 = 7,791.64/x
  3. Step 3: Cross multiply
    14,079.22x = 19,429.05 × 7,791.64
  4. Step 4: Simplify right side
    14,079.22x = 151,384,163.14
  5. Step 5: Solve for x
    x = 151,384,163.14/14,079.22
  6. Step 6: Final answer
    x = 10,752.31

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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.