Home / 25,175.31-37,760.50-7,645.29

Finding the Fourth Proportional to 25,175.31, 37,760.50 and 7,645.29

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Solution

The fourth proportional to 25,175.31, 37,760.50 and 7,645.29 is: 11,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.31 : 37,760.50 = 7,645.29 : x
  2. Step 2: Convert to fraction form
    25,175.31/37,760.50 = 7,645.29/x
  3. Step 3: Cross multiply
    25,175.31x = 37,760.50 × 7,645.29
  4. Step 4: Simplify right side
    25,175.31x = 288,689,973.05
  5. Step 5: Solve for x
    x = 288,689,973.05/25,175.31
  6. Step 6: Final answer
    x = 11,467.19

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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.