Home / 14,067.36-19,417.86-8,101.44

Finding the Fourth Proportional to 14,067.36, 19,417.86 and 8,101.44

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Solution

The fourth proportional to 14,067.36, 19,417.86 and 8,101.44 is: 11,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.36 : 19,417.86 = 8,101.44 : x
  2. Step 2: Convert to fraction form
    14,067.36/19,417.86 = 8,101.44/x
  3. Step 3: Cross multiply
    14,067.36x = 19,417.86 × 8,101.44
  4. Step 4: Simplify right side
    14,067.36x = 157,312,627.72
  5. Step 5: Solve for x
    x = 157,312,627.72/14,067.36
  6. Step 6: Final answer
    x = 11,182.81

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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.