Home / 14,778.64-22,160.72-4,914.56

Finding the Fourth Proportional to 14,778.64, 22,160.72 and 4,914.56

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Solution

The fourth proportional to 14,778.64, 22,160.72 and 4,914.56 is: 7,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.64 : 22,160.72 = 4,914.56 : x
  2. Step 2: Convert to fraction form
    14,778.64/22,160.72 = 4,914.56/x
  3. Step 3: Cross multiply
    14,778.64x = 22,160.72 × 4,914.56
  4. Step 4: Simplify right side
    14,778.64x = 108,910,188.08
  5. Step 5: Solve for x
    x = 108,910,188.08/14,778.64
  6. Step 6: Final answer
    x = 7,369.43

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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.