Home / 13,967.06-19,271.39-8,305.97

Finding the Fourth Proportional to 13,967.06, 19,271.39 and 8,305.97

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Solution

The fourth proportional to 13,967.06, 19,271.39 and 8,305.97 is: 11,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.06 : 19,271.39 = 8,305.97 : x
  2. Step 2: Convert to fraction form
    13,967.06/19,271.39 = 8,305.97/x
  3. Step 3: Cross multiply
    13,967.06x = 19,271.39 × 8,305.97
  4. Step 4: Simplify right side
    13,967.06x = 160,067,449.31
  5. Step 5: Solve for x
    x = 160,067,449.31/13,967.06
  6. Step 6: Final answer
    x = 11,460.36

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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.