Home / 43,814.70-65,728.26-14,223.06

Finding the Fourth Proportional to 43,814.70, 65,728.26 and 14,223.06

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Solution

The fourth proportional to 43,814.70, 65,728.26 and 14,223.06 is: 21,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,814.70 : 65,728.26 = 14,223.06 : x
  2. Step 2: Convert to fraction form
    43,814.70/65,728.26 = 14,223.06/x
  3. Step 3: Cross multiply
    43,814.70x = 65,728.26 × 14,223.06
  4. Step 4: Simplify right side
    43,814.70x = 934,856,985.68
  5. Step 5: Solve for x
    x = 934,856,985.68/43,814.70
  6. Step 6: Final answer
    x = 21,336.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.