Home / 12,523.60-18,788.24-3,758.66

Finding the Fourth Proportional to 12,523.60, 18,788.24 and 3,758.66

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Solution

The fourth proportional to 12,523.60, 18,788.24 and 3,758.66 is: 5,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.60 : 18,788.24 = 3,758.66 : x
  2. Step 2: Convert to fraction form
    12,523.60/18,788.24 = 3,758.66/x
  3. Step 3: Cross multiply
    12,523.60x = 18,788.24 × 3,758.66
  4. Step 4: Simplify right side
    12,523.60x = 70,618,606.16
  5. Step 5: Solve for x
    x = 70,618,606.16/12,523.60
  6. Step 6: Final answer
    x = 5,638.84

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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.