Home / 18,650.07-27,975.06-5,502.42

Finding the Fourth Proportional to 18,650.07, 27,975.06 and 5,502.42

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Solution

The fourth proportional to 18,650.07, 27,975.06 and 5,502.42 is: 8,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.07 : 27,975.06 = 5,502.42 : x
  2. Step 2: Convert to fraction form
    18,650.07/27,975.06 = 5,502.42/x
  3. Step 3: Cross multiply
    18,650.07x = 27,975.06 × 5,502.42
  4. Step 4: Simplify right side
    18,650.07x = 153,930,529.65
  5. Step 5: Solve for x
    x = 153,930,529.65/18,650.07
  6. Step 6: Final answer
    x = 8,253.62

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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.