Home / 13,891.06-19,169.19-7,924.66

Finding the Fourth Proportional to 13,891.06, 19,169.19 and 7,924.66

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Solution

The fourth proportional to 13,891.06, 19,169.19 and 7,924.66 is: 10,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.06 : 19,169.19 = 7,924.66 : x
  2. Step 2: Convert to fraction form
    13,891.06/19,169.19 = 7,924.66/x
  3. Step 3: Cross multiply
    13,891.06x = 19,169.19 × 7,924.66
  4. Step 4: Simplify right side
    13,891.06x = 151,909,313.23
  5. Step 5: Solve for x
    x = 151,909,313.23/13,891.06
  6. Step 6: Final answer
    x = 10,935.76

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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.