Home / 13,493.48-20,238.54-5,701.28

Finding the Fourth Proportional to 13,493.48, 20,238.54 and 5,701.28

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Solution

The fourth proportional to 13,493.48, 20,238.54 and 5,701.28 is: 8,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.48 : 20,238.54 = 5,701.28 : x
  2. Step 2: Convert to fraction form
    13,493.48/20,238.54 = 5,701.28/x
  3. Step 3: Cross multiply
    13,493.48x = 20,238.54 × 5,701.28
  4. Step 4: Simplify right side
    13,493.48x = 115,385,583.33
  5. Step 5: Solve for x
    x = 115,385,583.33/13,493.48
  6. Step 6: Final answer
    x = 8,551.21

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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.