Home / 13,871.03-20,808.52-4,508.04

Finding the Fourth Proportional to 13,871.03, 20,808.52 and 4,508.04

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Solution

The fourth proportional to 13,871.03, 20,808.52 and 4,508.04 is: 6,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.03 : 20,808.52 = 4,508.04 : x
  2. Step 2: Convert to fraction form
    13,871.03/20,808.52 = 4,508.04/x
  3. Step 3: Cross multiply
    13,871.03x = 20,808.52 × 4,508.04
  4. Step 4: Simplify right side
    13,871.03x = 93,805,654.59
  5. Step 5: Solve for x
    x = 93,805,654.59/13,871.03
  6. Step 6: Final answer
    x = 6,762.70

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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.