Home / 25,471.24-38,202.53-7,939.69

Finding the Fourth Proportional to 25,471.24, 38,202.53 and 7,939.69

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Solution

The fourth proportional to 25,471.24, 38,202.53 and 7,939.69 is: 11,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.24 : 38,202.53 = 7,939.69 : x
  2. Step 2: Convert to fraction form
    25,471.24/38,202.53 = 7,939.69/x
  3. Step 3: Cross multiply
    25,471.24x = 38,202.53 × 7,939.69
  4. Step 4: Simplify right side
    25,471.24x = 303,316,110.21
  5. Step 5: Solve for x
    x = 303,316,110.21/25,471.24
  6. Step 6: Final answer
    x = 11,908.18

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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.