Home / 18,072.32-27,105.44-4,924.72

Finding the Fourth Proportional to 18,072.32, 27,105.44 and 4,924.72

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Solution

The fourth proportional to 18,072.32, 27,105.44 and 4,924.72 is: 7,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.32 : 27,105.44 = 4,924.72 : x
  2. Step 2: Convert to fraction form
    18,072.32/27,105.44 = 4,924.72/x
  3. Step 3: Cross multiply
    18,072.32x = 27,105.44 × 4,924.72
  4. Step 4: Simplify right side
    18,072.32x = 133,486,610.09
  5. Step 5: Solve for x
    x = 133,486,610.09/18,072.32
  6. Step 6: Final answer
    x = 7,386.25

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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.