Home / 14,664.53-20,236.96-8,291.12

Finding the Fourth Proportional to 14,664.53, 20,236.96 and 8,291.12

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Solution

The fourth proportional to 14,664.53, 20,236.96 and 8,291.12 is: 11,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.53 : 20,236.96 = 8,291.12 : x
  2. Step 2: Convert to fraction form
    14,664.53/20,236.96 = 8,291.12/x
  3. Step 3: Cross multiply
    14,664.53x = 20,236.96 × 8,291.12
  4. Step 4: Simplify right side
    14,664.53x = 167,786,972.97
  5. Step 5: Solve for x
    x = 167,786,972.97/14,664.53
  6. Step 6: Final answer
    x = 11,441.69

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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.