Home / 20,516.53-30,774.68-5,725.45

Finding the Fourth Proportional to 20,516.53, 30,774.68 and 5,725.45

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Solution

The fourth proportional to 20,516.53, 30,774.68 and 5,725.45 is: 8,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.53 : 30,774.68 = 5,725.45 : x
  2. Step 2: Convert to fraction form
    20,516.53/30,774.68 = 5,725.45/x
  3. Step 3: Cross multiply
    20,516.53x = 30,774.68 × 5,725.45
  4. Step 4: Simplify right side
    20,516.53x = 176,198,862.98
  5. Step 5: Solve for x
    x = 176,198,862.98/20,516.53
  6. Step 6: Final answer
    x = 8,588.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.