Home / 13,103.12-19,664.18-9,825.04

Finding the Fourth Proportional to 13,103.12, 19,664.18 and 9,825.04

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Solution

The fourth proportional to 13,103.12, 19,664.18 and 9,825.04 is: 14,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.12 : 19,664.18 = 9,825.04 : x
  2. Step 2: Convert to fraction form
    13,103.12/19,664.18 = 9,825.04/x
  3. Step 3: Cross multiply
    13,103.12x = 19,664.18 × 9,825.04
  4. Step 4: Simplify right side
    13,103.12x = 193,201,355.07
  5. Step 5: Solve for x
    x = 193,201,355.07/13,103.12
  6. Step 6: Final answer
    x = 14,744.68

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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.