Home / 14,623.87-20,180.94-8,251.81

Finding the Fourth Proportional to 14,623.87, 20,180.94 and 8,251.81

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Solution

The fourth proportional to 14,623.87, 20,180.94 and 8,251.81 is: 11,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.87 : 20,180.94 = 8,251.81 : x
  2. Step 2: Convert to fraction form
    14,623.87/20,180.94 = 8,251.81/x
  3. Step 3: Cross multiply
    14,623.87x = 20,180.94 × 8,251.81
  4. Step 4: Simplify right side
    14,623.87x = 166,529,389.12
  5. Step 5: Solve for x
    x = 166,529,389.12/14,623.87
  6. Step 6: Final answer
    x = 11,387.50

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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.