Home / 43,211.48-64,818.62-13,629.60

Finding the Fourth Proportional to 43,211.48, 64,818.62 and 13,629.60

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Solution

The fourth proportional to 43,211.48, 64,818.62 and 13,629.60 is: 20,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.48 : 64,818.62 = 13,629.60 : x
  2. Step 2: Convert to fraction form
    43,211.48/64,818.62 = 13,629.60/x
  3. Step 3: Cross multiply
    43,211.48x = 64,818.62 × 13,629.60
  4. Step 4: Simplify right side
    43,211.48x = 883,451,863.15
  5. Step 5: Solve for x
    x = 883,451,863.15/43,211.48
  6. Step 6: Final answer
    x = 20,444.84

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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.