Home / 25,750.20-38,576.70-13,227.60

Finding the Fourth Proportional to 25,750.20, 38,576.70 and 13,227.60

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Solution

The fourth proportional to 25,750.20, 38,576.70 and 13,227.60 is: 19,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.20 : 38,576.70 = 13,227.60 : x
  2. Step 2: Convert to fraction form
    25,750.20/38,576.70 = 13,227.60/x
  3. Step 3: Cross multiply
    25,750.20x = 38,576.70 × 13,227.60
  4. Step 4: Simplify right side
    25,750.20x = 510,277,156.92
  5. Step 5: Solve for x
    x = 510,277,156.92/25,750.20
  6. Step 6: Final answer
    x = 19,816.43

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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.