Home / 13,038.17-19,558.40-3,678.26

Finding the Fourth Proportional to 13,038.17, 19,558.40 and 3,678.26

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Solution

The fourth proportional to 13,038.17, 19,558.40 and 3,678.26 is: 5,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.17 : 19,558.40 = 3,678.26 : x
  2. Step 2: Convert to fraction form
    13,038.17/19,558.40 = 3,678.26/x
  3. Step 3: Cross multiply
    13,038.17x = 19,558.40 × 3,678.26
  4. Step 4: Simplify right side
    13,038.17x = 71,940,764.20
  5. Step 5: Solve for x
    x = 71,940,764.20/13,038.17
  6. Step 6: Final answer
    x = 5,517.71

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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.