Home / 25,138.62-37,709.75-7,609.82

Finding the Fourth Proportional to 25,138.62, 37,709.75 and 7,609.82

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Solution

The fourth proportional to 25,138.62, 37,709.75 and 7,609.82 is: 11,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.62 : 37,709.75 = 7,609.82 : x
  2. Step 2: Convert to fraction form
    25,138.62/37,709.75 = 7,609.82/x
  3. Step 3: Cross multiply
    25,138.62x = 37,709.75 × 7,609.82
  4. Step 4: Simplify right side
    25,138.62x = 286,964,240.22
  5. Step 5: Solve for x
    x = 286,964,240.22/25,138.62
  6. Step 6: Final answer
    x = 11,415.27

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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.