Home / 33,154.94-49,732.41-12,380.06

Finding the Fourth Proportional to 33,154.94, 49,732.41 and 12,380.06

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Solution

The fourth proportional to 33,154.94, 49,732.41 and 12,380.06 is: 18,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.94 : 49,732.41 = 12,380.06 : x
  2. Step 2: Convert to fraction form
    33,154.94/49,732.41 = 12,380.06/x
  3. Step 3: Cross multiply
    33,154.94x = 49,732.41 × 12,380.06
  4. Step 4: Simplify right side
    33,154.94x = 615,690,219.74
  5. Step 5: Solve for x
    x = 615,690,219.74/33,154.94
  6. Step 6: Final answer
    x = 18,570.09

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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.