Home / 18,711.91-28,072.35-6,232.04

Finding the Fourth Proportional to 18,711.91, 28,072.35 and 6,232.04

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Solution

The fourth proportional to 18,711.91, 28,072.35 and 6,232.04 is: 9,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.91 : 28,072.35 = 6,232.04 : x
  2. Step 2: Convert to fraction form
    18,711.91/28,072.35 = 6,232.04/x
  3. Step 3: Cross multiply
    18,711.91x = 28,072.35 × 6,232.04
  4. Step 4: Simplify right side
    18,711.91x = 174,947,836.57
  5. Step 5: Solve for x
    x = 174,947,836.57/18,711.91
  6. Step 6: Final answer
    x = 9,349.55

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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.