Home / 19,599.82-27,029.32-15,116.47

Finding the Fourth Proportional to 19,599.82, 27,029.32 and 15,116.47

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Solution

The fourth proportional to 19,599.82, 27,029.32 and 15,116.47 is: 20,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.82 : 27,029.32 = 15,116.47 : x
  2. Step 2: Convert to fraction form
    19,599.82/27,029.32 = 15,116.47/x
  3. Step 3: Cross multiply
    19,599.82x = 27,029.32 × 15,116.47
  4. Step 4: Simplify right side
    19,599.82x = 408,587,799.54
  5. Step 5: Solve for x
    x = 408,587,799.54/19,599.82
  6. Step 6: Final answer
    x = 20,846.51

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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.