Home / 19,481.32-26,891.22-11,530.36

Finding the Fourth Proportional to 19,481.32, 26,891.22 and 11,530.36

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Solution

The fourth proportional to 19,481.32, 26,891.22 and 11,530.36 is: 15,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.32 : 26,891.22 = 11,530.36 : x
  2. Step 2: Convert to fraction form
    19,481.32/26,891.22 = 11,530.36/x
  3. Step 3: Cross multiply
    19,481.32x = 26,891.22 × 11,530.36
  4. Step 4: Simplify right side
    19,481.32x = 310,065,447.44
  5. Step 5: Solve for x
    x = 310,065,447.44/19,481.32
  6. Step 6: Final answer
    x = 15,916.04

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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.