Home / 14,336.20-21,505.65-5,571.79

Finding the Fourth Proportional to 14,336.20, 21,505.65 and 5,571.79

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Solution

The fourth proportional to 14,336.20, 21,505.65 and 5,571.79 is: 8,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.20 : 21,505.65 = 5,571.79 : x
  2. Step 2: Convert to fraction form
    14,336.20/21,505.65 = 5,571.79/x
  3. Step 3: Cross multiply
    14,336.20x = 21,505.65 × 5,571.79
  4. Step 4: Simplify right side
    14,336.20x = 119,824,965.61
  5. Step 5: Solve for x
    x = 119,824,965.61/14,336.20
  6. Step 6: Final answer
    x = 8,358.21

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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.