Home / 13,674.24-20,503.14-5,344.32

Finding the Fourth Proportional to 13,674.24, 20,503.14 and 5,344.32

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Solution

The fourth proportional to 13,674.24, 20,503.14 and 5,344.32 is: 8,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.24 : 20,503.14 = 5,344.32 : x
  2. Step 2: Convert to fraction form
    13,674.24/20,503.14 = 5,344.32/x
  3. Step 3: Cross multiply
    13,674.24x = 20,503.14 × 5,344.32
  4. Step 4: Simplify right side
    13,674.24x = 109,575,438.09
  5. Step 5: Solve for x
    x = 109,575,438.09/13,674.24
  6. Step 6: Final answer
    x = 8,013.28

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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.