Home / 43,923.39-65,885.89-15,845.55

Finding the Fourth Proportional to 43,923.39, 65,885.89 and 15,845.55

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Solution

The fourth proportional to 43,923.39, 65,885.89 and 15,845.55 is: 23,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,923.39 : 65,885.89 = 15,845.55 : x
  2. Step 2: Convert to fraction form
    43,923.39/65,885.89 = 15,845.55/x
  3. Step 3: Cross multiply
    43,923.39x = 65,885.89 × 15,845.55
  4. Step 4: Simplify right side
    43,923.39x = 1,043,998,164.29
  5. Step 5: Solve for x
    x = 1,043,998,164.29/43,923.39
  6. Step 6: Final answer
    x = 23,768.62

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Double scale
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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.