Home / 14,964.70-20,649.34-8,591.57

Finding the Fourth Proportional to 14,964.70, 20,649.34 and 8,591.57

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Solution

The fourth proportional to 14,964.70, 20,649.34 and 8,591.57 is: 11,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.70 : 20,649.34 = 8,591.57 : x
  2. Step 2: Convert to fraction form
    14,964.70/20,649.34 = 8,591.57/x
  3. Step 3: Cross multiply
    14,964.70x = 20,649.34 × 8,591.57
  4. Step 4: Simplify right side
    14,964.70x = 177,410,247.07
  5. Step 5: Solve for x
    x = 177,410,247.07/14,964.70
  6. Step 6: Final answer
    x = 11,855.25

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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.