Home / 25,231.26-37,852.56-12,750.78

Finding the Fourth Proportional to 25,231.26, 37,852.56 and 12,750.78

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Solution

The fourth proportional to 25,231.26, 37,852.56 and 12,750.78 is: 19,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.26 : 37,852.56 = 12,750.78 : x
  2. Step 2: Convert to fraction form
    25,231.26/37,852.56 = 12,750.78/x
  3. Step 3: Cross multiply
    25,231.26x = 37,852.56 × 12,750.78
  4. Step 4: Simplify right side
    25,231.26x = 482,649,665.00
  5. Step 5: Solve for x
    x = 482,649,665.00/25,231.26
  6. Step 6: Final answer
    x = 19,129.04

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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.