Home / 16,378.20-24,571.35-5,286.06

Finding the Fourth Proportional to 16,378.20, 24,571.35 and 5,286.06

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Solution

The fourth proportional to 16,378.20, 24,571.35 and 5,286.06 is: 7,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.20 : 24,571.35 = 5,286.06 : x
  2. Step 2: Convert to fraction form
    16,378.20/24,571.35 = 5,286.06/x
  3. Step 3: Cross multiply
    16,378.20x = 24,571.35 × 5,286.06
  4. Step 4: Simplify right side
    16,378.20x = 129,885,630.38
  5. Step 5: Solve for x
    x = 129,885,630.38/16,378.20
  6. Step 6: Final answer
    x = 7,930.40

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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.