Home / 18,071.37-27,104.32-4,924.78

Finding the Fourth Proportional to 18,071.37, 27,104.32 and 4,924.78

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Solution

The fourth proportional to 18,071.37, 27,104.32 and 4,924.78 is: 7,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.37 : 27,104.32 = 4,924.78 : x
  2. Step 2: Convert to fraction form
    18,071.37/27,104.32 = 4,924.78/x
  3. Step 3: Cross multiply
    18,071.37x = 27,104.32 × 4,924.78
  4. Step 4: Simplify right side
    18,071.37x = 133,482,813.05
  5. Step 5: Solve for x
    x = 133,482,813.05/18,071.37
  6. Step 6: Final answer
    x = 7,386.42

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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.