Home / 25,750.50-38,610.71-10,951.80

Finding the Fourth Proportional to 25,750.50, 38,610.71 and 10,951.80

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Solution

The fourth proportional to 25,750.50, 38,610.71 and 10,951.80 is: 16,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.50 : 38,610.71 = 10,951.80 : x
  2. Step 2: Convert to fraction form
    25,750.50/38,610.71 = 10,951.80/x
  3. Step 3: Cross multiply
    25,750.50x = 38,610.71 × 10,951.80
  4. Step 4: Simplify right side
    25,750.50x = 422,856,649.87
  5. Step 5: Solve for x
    x = 422,856,649.87/25,750.50
  6. Step 6: Final answer
    x = 16,421.30

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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.