Home / 14,741.46-20,339.94-8,453.84

Finding the Fourth Proportional to 14,741.46, 20,339.94 and 8,453.84

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Solution

The fourth proportional to 14,741.46, 20,339.94 and 8,453.84 is: 11,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.46 : 20,339.94 = 8,453.84 : x
  2. Step 2: Convert to fraction form
    14,741.46/20,339.94 = 8,453.84/x
  3. Step 3: Cross multiply
    14,741.46x = 20,339.94 × 8,453.84
  4. Step 4: Simplify right side
    14,741.46x = 171,950,598.37
  5. Step 5: Solve for x
    x = 171,950,598.37/14,741.46
  6. Step 6: Final answer
    x = 11,664.42

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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.