Home / 13,712.40-20,564.48-4,352.04

Finding the Fourth Proportional to 13,712.40, 20,564.48 and 4,352.04

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Solution

The fourth proportional to 13,712.40, 20,564.48 and 4,352.04 is: 6,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.40 : 20,564.48 = 4,352.04 : x
  2. Step 2: Convert to fraction form
    13,712.40/20,564.48 = 4,352.04/x
  3. Step 3: Cross multiply
    13,712.40x = 20,564.48 × 4,352.04
  4. Step 4: Simplify right side
    13,712.40x = 89,497,439.54
  5. Step 5: Solve for x
    x = 89,497,439.54/13,712.40
  6. Step 6: Final answer
    x = 6,526.75

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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.