Home / 25,648.20-35,396.46-15,043.68

Finding the Fourth Proportional to 25,648.20, 35,396.46 and 15,043.68

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Solution

The fourth proportional to 25,648.20, 35,396.46 and 15,043.68 is: 20,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.20 : 35,396.46 = 15,043.68 : x
  2. Step 2: Convert to fraction form
    25,648.20/35,396.46 = 15,043.68/x
  3. Step 3: Cross multiply
    25,648.20x = 35,396.46 × 15,043.68
  4. Step 4: Simplify right side
    25,648.20x = 532,493,017.37
  5. Step 5: Solve for x
    x = 532,493,017.37/25,648.20
  6. Step 6: Final answer
    x = 20,761.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.