Home / 13,790.43-20,672.82-5,023.35

Finding the Fourth Proportional to 13,790.43, 20,672.82 and 5,023.35

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Solution

The fourth proportional to 13,790.43, 20,672.82 and 5,023.35 is: 7,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.43 : 20,672.82 = 5,023.35 : x
  2. Step 2: Convert to fraction form
    13,790.43/20,672.82 = 5,023.35/x
  3. Step 3: Cross multiply
    13,790.43x = 20,672.82 × 5,023.35
  4. Step 4: Simplify right side
    13,790.43x = 103,846,810.35
  5. Step 5: Solve for x
    x = 103,846,810.35/13,790.43
  6. Step 6: Final answer
    x = 7,530.35

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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.