Home / 12,773.45-19,140.68-5,373.87

Finding the Fourth Proportional to 12,773.45, 19,140.68 and 5,373.87

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Solution

The fourth proportional to 12,773.45, 19,140.68 and 5,373.87 is: 8,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.45 : 19,140.68 = 5,373.87 : x
  2. Step 2: Convert to fraction form
    12,773.45/19,140.68 = 5,373.87/x
  3. Step 3: Cross multiply
    12,773.45x = 19,140.68 × 5,373.87
  4. Step 4: Simplify right side
    12,773.45x = 102,859,526.03
  5. Step 5: Solve for x
    x = 102,859,526.03/12,773.45
  6. Step 6: Final answer
    x = 8,052.60

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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.