Home / 14,723.68-20,318.28-8,351.44

Finding the Fourth Proportional to 14,723.68, 20,318.28 and 8,351.44

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Solution

The fourth proportional to 14,723.68, 20,318.28 and 8,351.44 is: 11,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.68 : 20,318.28 = 8,351.44 : x
  2. Step 2: Convert to fraction form
    14,723.68/20,318.28 = 8,351.44/x
  3. Step 3: Cross multiply
    14,723.68x = 20,318.28 × 8,351.44
  4. Step 4: Simplify right side
    14,723.68x = 169,686,896.32
  5. Step 5: Solve for x
    x = 169,686,896.32/14,723.68
  6. Step 6: Final answer
    x = 11,524.76

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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.