Home / 13,256.80-19,885.92-4,022.08

Finding the Fourth Proportional to 13,256.80, 19,885.92 and 4,022.08

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Solution

The fourth proportional to 13,256.80, 19,885.92 and 4,022.08 is: 6,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.80 : 19,885.92 = 4,022.08 : x
  2. Step 2: Convert to fraction form
    13,256.80/19,885.92 = 4,022.08/x
  3. Step 3: Cross multiply
    13,256.80x = 19,885.92 × 4,022.08
  4. Step 4: Simplify right side
    13,256.80x = 79,982,761.11
  5. Step 5: Solve for x
    x = 79,982,761.11/13,256.80
  6. Step 6: Final answer
    x = 6,033.34

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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.