Home / 25,175.42-37,760.69-7,645.40

Finding the Fourth Proportional to 25,175.42, 37,760.69 and 7,645.40

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Solution

The fourth proportional to 25,175.42, 37,760.69 and 7,645.40 is: 11,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.42 : 37,760.69 = 7,645.40 : x
  2. Step 2: Convert to fraction form
    25,175.42/37,760.69 = 7,645.40/x
  3. Step 3: Cross multiply
    25,175.42x = 37,760.69 × 7,645.40
  4. Step 4: Simplify right side
    25,175.42x = 288,695,579.33
  5. Step 5: Solve for x
    x = 288,695,579.33/25,175.42
  6. Step 6: Final answer
    x = 11,467.36

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1.5x scale

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.