Home / 13,942.68-20,916.44-4,580.09

Finding the Fourth Proportional to 13,942.68, 20,916.44 and 4,580.09

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Solution

The fourth proportional to 13,942.68, 20,916.44 and 4,580.09 is: 6,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.68 : 20,916.44 = 4,580.09 : x
  2. Step 2: Convert to fraction form
    13,942.68/20,916.44 = 4,580.09/x
  3. Step 3: Cross multiply
    13,942.68x = 20,916.44 × 4,580.09
  4. Step 4: Simplify right side
    13,942.68x = 95,799,177.68
  5. Step 5: Solve for x
    x = 95,799,177.68/13,942.68
  6. Step 6: Final answer
    x = 6,870.93

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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.