Home / 20,025.17-27,635.48-12,951.60

Finding the Fourth Proportional to 20,025.17, 27,635.48 and 12,951.60

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Solution

The fourth proportional to 20,025.17, 27,635.48 and 12,951.60 is: 17,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.17 : 27,635.48 = 12,951.60 : x
  2. Step 2: Convert to fraction form
    20,025.17/27,635.48 = 12,951.60/x
  3. Step 3: Cross multiply
    20,025.17x = 27,635.48 × 12,951.60
  4. Step 4: Simplify right side
    20,025.17x = 357,923,562.95
  5. Step 5: Solve for x
    x = 357,923,562.95/20,025.17
  6. Step 6: Final answer
    x = 17,873.68

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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.