Home / 18,732.38-25,850.75-10,775.07

Finding the Fourth Proportional to 18,732.38, 25,850.75 and 10,775.07

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Solution

The fourth proportional to 18,732.38, 25,850.75 and 10,775.07 is: 14,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.38 : 25,850.75 = 10,775.07 : x
  2. Step 2: Convert to fraction form
    18,732.38/25,850.75 = 10,775.07/x
  3. Step 3: Cross multiply
    18,732.38x = 25,850.75 × 10,775.07
  4. Step 4: Simplify right side
    18,732.38x = 278,543,586.93
  5. Step 5: Solve for x
    x = 278,543,586.93/18,732.38
  6. Step 6: Final answer
    x = 14,869.64

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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.