Home / 15,176.88-22,768.20-6,856.80

Finding the Fourth Proportional to 15,176.88, 22,768.20 and 6,856.80

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Solution

The fourth proportional to 15,176.88, 22,768.20 and 6,856.80 is: 10,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.88 : 22,768.20 = 6,856.80 : x
  2. Step 2: Convert to fraction form
    15,176.88/22,768.20 = 6,856.80/x
  3. Step 3: Cross multiply
    15,176.88x = 22,768.20 × 6,856.80
  4. Step 4: Simplify right side
    15,176.88x = 156,116,993.76
  5. Step 5: Solve for x
    x = 156,116,993.76/15,176.88
  6. Step 6: Final answer
    x = 10,286.50

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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.