Home / 18,375.09-25,354.25-10,822.65

Finding the Fourth Proportional to 18,375.09, 25,354.25 and 10,822.65

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Solution

The fourth proportional to 18,375.09, 25,354.25 and 10,822.65 is: 14,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.09 : 25,354.25 = 10,822.65 : x
  2. Step 2: Convert to fraction form
    18,375.09/25,354.25 = 10,822.65/x
  3. Step 3: Cross multiply
    18,375.09x = 25,354.25 × 10,822.65
  4. Step 4: Simplify right side
    18,375.09x = 274,400,065.16
  5. Step 5: Solve for x
    x = 274,400,065.16/18,375.09
  6. Step 6: Final answer
    x = 14,933.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.