Home / 18,450.08-27,676.49-5,303.48

Finding the Fourth Proportional to 18,450.08, 27,676.49 and 5,303.48

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Solution

The fourth proportional to 18,450.08, 27,676.49 and 5,303.48 is: 7,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.08 : 27,676.49 = 5,303.48 : x
  2. Step 2: Convert to fraction form
    18,450.08/27,676.49 = 5,303.48/x
  3. Step 3: Cross multiply
    18,450.08x = 27,676.49 × 5,303.48
  4. Step 4: Simplify right side
    18,450.08x = 146,781,546.29
  5. Step 5: Solve for x
    x = 146,781,546.29/18,450.08
  6. Step 6: Final answer
    x = 7,955.61

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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.