Home / 18,026.45-27,020.52-10,634.39

Finding the Fourth Proportional to 18,026.45, 27,020.52 and 10,634.39

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Solution

The fourth proportional to 18,026.45, 27,020.52 and 10,634.39 is: 15,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.45 : 27,020.52 = 10,634.39 : x
  2. Step 2: Convert to fraction form
    18,026.45/27,020.52 = 10,634.39/x
  3. Step 3: Cross multiply
    18,026.45x = 27,020.52 × 10,634.39
  4. Step 4: Simplify right side
    18,026.45x = 287,346,612.58
  5. Step 5: Solve for x
    x = 287,346,612.58/18,026.45
  6. Step 6: Final answer
    x = 15,940.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.