Home / 25,635.60-35,377.28-15,025.44

Finding the Fourth Proportional to 25,635.60, 35,377.28 and 15,025.44

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Solution

The fourth proportional to 25,635.60, 35,377.28 and 15,025.44 is: 20,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.60 : 35,377.28 = 15,025.44 : x
  2. Step 2: Convert to fraction form
    25,635.60/35,377.28 = 15,025.44/x
  3. Step 3: Cross multiply
    25,635.60x = 35,377.28 × 15,025.44
  4. Step 4: Simplify right side
    25,635.60x = 531,559,198.00
  5. Step 5: Solve for x
    x = 531,559,198.00/25,635.60
  6. Step 6: Final answer
    x = 20,735.20

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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.