Home / 13,684.08-20,525.80-11,829.69

Finding the Fourth Proportional to 13,684.08, 20,525.80 and 11,829.69

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Solution

The fourth proportional to 13,684.08, 20,525.80 and 11,829.69 is: 17,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.08 : 20,525.80 = 11,829.69 : x
  2. Step 2: Convert to fraction form
    13,684.08/20,525.80 = 11,829.69/x
  3. Step 3: Cross multiply
    13,684.08x = 20,525.80 × 11,829.69
  4. Step 4: Simplify right side
    13,684.08x = 242,813,851.00
  5. Step 5: Solve for x
    x = 242,813,851.00/13,684.08
  6. Step 6: Final answer
    x = 17,744.26

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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.