Home / 18,553.23-27,830.07-10,231.65

Finding the Fourth Proportional to 18,553.23, 27,830.07 and 10,231.65

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Solution

The fourth proportional to 18,553.23, 27,830.07 and 10,231.65 is: 15,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.23 : 27,830.07 = 10,231.65 : x
  2. Step 2: Convert to fraction form
    18,553.23/27,830.07 = 10,231.65/x
  3. Step 3: Cross multiply
    18,553.23x = 27,830.07 × 10,231.65
  4. Step 4: Simplify right side
    18,553.23x = 284,747,535.72
  5. Step 5: Solve for x
    x = 284,747,535.72/18,553.23
  6. Step 6: Final answer
    x = 15,347.60

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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.