Home / 25,342.75-38,031.41-8,926.75

Finding the Fourth Proportional to 25,342.75, 38,031.41 and 8,926.75

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Solution

The fourth proportional to 25,342.75, 38,031.41 and 8,926.75 is: 13,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.75 : 38,031.41 = 8,926.75 : x
  2. Step 2: Convert to fraction form
    25,342.75/38,031.41 = 8,926.75/x
  3. Step 3: Cross multiply
    25,342.75x = 38,031.41 × 8,926.75
  4. Step 4: Simplify right side
    25,342.75x = 339,496,889.22
  5. Step 5: Solve for x
    x = 339,496,889.22/25,342.75
  6. Step 6: Final answer
    x = 13,396.21

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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.