Home / 13,100.10-19,659.68-9,822.04

Finding the Fourth Proportional to 13,100.10, 19,659.68 and 9,822.04

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Solution

The fourth proportional to 13,100.10, 19,659.68 and 9,822.04 is: 14,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.10 : 19,659.68 = 9,822.04 : x
  2. Step 2: Convert to fraction form
    13,100.10/19,659.68 = 9,822.04/x
  3. Step 3: Cross multiply
    13,100.10x = 19,659.68 × 9,822.04
  4. Step 4: Simplify right side
    13,100.10x = 193,098,163.35
  5. Step 5: Solve for x
    x = 193,098,163.35/13,100.10
  6. Step 6: Final answer
    x = 14,740.21

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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.