Home / 25,816.70-38,729.10-11,025.69

Finding the Fourth Proportional to 25,816.70, 38,729.10 and 11,025.69

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Solution

The fourth proportional to 25,816.70, 38,729.10 and 11,025.69 is: 16,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.70 : 38,729.10 = 11,025.69 : x
  2. Step 2: Convert to fraction form
    25,816.70/38,729.10 = 11,025.69/x
  3. Step 3: Cross multiply
    25,816.70x = 38,729.10 × 11,025.69
  4. Step 4: Simplify right side
    25,816.70x = 427,014,995.45
  5. Step 5: Solve for x
    x = 427,014,995.45/25,816.70
  6. Step 6: Final answer
    x = 16,540.27

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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.