Home / 14,872.87-20,524.83-8,158.84

Finding the Fourth Proportional to 14,872.87, 20,524.83 and 8,158.84

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Solution

The fourth proportional to 14,872.87, 20,524.83 and 8,158.84 is: 11,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.87 : 20,524.83 = 8,158.84 : x
  2. Step 2: Convert to fraction form
    14,872.87/20,524.83 = 8,158.84/x
  3. Step 3: Cross multiply
    14,872.87x = 20,524.83 × 8,158.84
  4. Step 4: Simplify right side
    14,872.87x = 167,458,752.69
  5. Step 5: Solve for x
    x = 167,458,752.69/14,872.87
  6. Step 6: Final answer
    x = 11,259.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.