Home / 12,558.01-18,836.53-3,792.69

Finding the Fourth Proportional to 12,558.01, 18,836.53 and 3,792.69

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Solution

The fourth proportional to 12,558.01, 18,836.53 and 3,792.69 is: 5,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.01 : 18,836.53 = 3,792.69 : x
  2. Step 2: Convert to fraction form
    12,558.01/18,836.53 = 3,792.69/x
  3. Step 3: Cross multiply
    12,558.01x = 18,836.53 × 3,792.69
  4. Step 4: Simplify right side
    12,558.01x = 71,441,118.97
  5. Step 5: Solve for x
    x = 71,441,118.97/12,558.01
  6. Step 6: Final answer
    x = 5,688.89

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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.