Home / 14,591.64-20,135.34-8,622.84

Finding the Fourth Proportional to 14,591.64, 20,135.34 and 8,622.84

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Solution

The fourth proportional to 14,591.64, 20,135.34 and 8,622.84 is: 11,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.64 : 20,135.34 = 8,622.84 : x
  2. Step 2: Convert to fraction form
    14,591.64/20,135.34 = 8,622.84/x
  3. Step 3: Cross multiply
    14,591.64x = 20,135.34 × 8,622.84
  4. Step 4: Simplify right side
    14,591.64x = 173,623,815.17
  5. Step 5: Solve for x
    x = 173,623,815.17/14,591.64
  6. Step 6: Final answer
    x = 11,898.86

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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.