Home / 18,072.45-27,107.90-4,924.83

Finding the Fourth Proportional to 18,072.45, 27,107.90 and 4,924.83

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Solution

The fourth proportional to 18,072.45, 27,107.90 and 4,924.83 is: 7,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.45 : 27,107.90 = 4,924.83 : x
  2. Step 2: Convert to fraction form
    18,072.45/27,107.90 = 4,924.83/x
  3. Step 3: Cross multiply
    18,072.45x = 27,107.90 × 4,924.83
  4. Step 4: Simplify right side
    18,072.45x = 133,501,686.71
  5. Step 5: Solve for x
    x = 133,501,686.71/18,072.45
  6. Step 6: Final answer
    x = 7,387.03

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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.