Home / 13,709.25-20,564.60-4,350.00

Finding the Fourth Proportional to 13,709.25, 20,564.60 and 4,350.00

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Solution

The fourth proportional to 13,709.25, 20,564.60 and 4,350.00 is: 6,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.25 : 20,564.60 = 4,350.00 : x
  2. Step 2: Convert to fraction form
    13,709.25/20,564.60 = 4,350.00/x
  3. Step 3: Cross multiply
    13,709.25x = 20,564.60 × 4,350.00
  4. Step 4: Simplify right side
    13,709.25x = 89,455,968.88
  5. Step 5: Solve for x
    x = 89,455,968.88/13,709.25
  6. Step 6: Final answer
    x = 6,525.23

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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.