Home / 18,297.37-27,447.89-4,970.58

Finding the Fourth Proportional to 18,297.37, 27,447.89 and 4,970.58

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Solution

The fourth proportional to 18,297.37, 27,447.89 and 4,970.58 is: 7,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.37 : 27,447.89 = 4,970.58 : x
  2. Step 2: Convert to fraction form
    18,297.37/27,447.89 = 4,970.58/x
  3. Step 3: Cross multiply
    18,297.37x = 27,447.89 × 4,970.58
  4. Step 4: Simplify right side
    18,297.37x = 136,431,933.08
  5. Step 5: Solve for x
    x = 136,431,933.08/18,297.37
  6. Step 6: Final answer
    x = 7,456.37

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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.