Home / 25,399.67-38,102.01-8,757.51

Finding the Fourth Proportional to 25,399.67, 38,102.01 and 8,757.51

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Solution

The fourth proportional to 25,399.67, 38,102.01 and 8,757.51 is: 13,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.67 : 38,102.01 = 8,757.51 : x
  2. Step 2: Convert to fraction form
    25,399.67/38,102.01 = 8,757.51/x
  3. Step 3: Cross multiply
    25,399.67x = 38,102.01 × 8,757.51
  4. Step 4: Simplify right side
    25,399.67x = 333,678,499.30
  5. Step 5: Solve for x
    x = 333,678,499.30/25,399.67
  6. Step 6: Final answer
    x = 13,137.12

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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.