Home / 14,950.53-20,631.47-8,236.78

Finding the Fourth Proportional to 14,950.53, 20,631.47 and 8,236.78

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Solution

The fourth proportional to 14,950.53, 20,631.47 and 8,236.78 is: 11,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.53 : 20,631.47 = 8,236.78 : x
  2. Step 2: Convert to fraction form
    14,950.53/20,631.47 = 8,236.78/x
  3. Step 3: Cross multiply
    14,950.53x = 20,631.47 × 8,236.78
  4. Step 4: Simplify right side
    14,950.53x = 169,936,879.47
  5. Step 5: Solve for x
    x = 169,936,879.47/14,950.53
  6. Step 6: Final answer
    x = 11,366.61

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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.