Home / 13,100.36-19,660.05-9,822.29

Finding the Fourth Proportional to 13,100.36, 19,660.05 and 9,822.29

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Solution

The fourth proportional to 13,100.36, 19,660.05 and 9,822.29 is: 14,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.36 : 19,660.05 = 9,822.29 : x
  2. Step 2: Convert to fraction form
    13,100.36/19,660.05 = 9,822.29/x
  3. Step 3: Cross multiply
    13,100.36x = 19,660.05 × 9,822.29
  4. Step 4: Simplify right side
    13,100.36x = 193,106,614.21
  5. Step 5: Solve for x
    x = 193,106,614.21/13,100.36
  6. Step 6: Final answer
    x = 14,740.56

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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.