Home / 25,255.17-37,906.12-12,783.95

Finding the Fourth Proportional to 25,255.17, 37,906.12 and 12,783.95

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Solution

The fourth proportional to 25,255.17, 37,906.12 and 12,783.95 is: 19,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.17 : 37,906.12 = 12,783.95 : x
  2. Step 2: Convert to fraction form
    25,255.17/37,906.12 = 12,783.95/x
  3. Step 3: Cross multiply
    25,255.17x = 37,906.12 × 12,783.95
  4. Step 4: Simplify right side
    25,255.17x = 484,589,863.43
  5. Step 5: Solve for x
    x = 484,589,863.43/25,255.17
  6. Step 6: Final answer
    x = 19,187.75

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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.