Home / 13,153.14-19,729.17-5,361.75

Finding the Fourth Proportional to 13,153.14, 19,729.17 and 5,361.75

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Solution

The fourth proportional to 13,153.14, 19,729.17 and 5,361.75 is: 8,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.14 : 19,729.17 = 5,361.75 : x
  2. Step 2: Convert to fraction form
    13,153.14/19,729.17 = 5,361.75/x
  3. Step 3: Cross multiply
    13,153.14x = 19,729.17 × 5,361.75
  4. Step 4: Simplify right side
    13,153.14x = 105,782,877.25
  5. Step 5: Solve for x
    x = 105,782,877.25/13,153.14
  6. Step 6: Final answer
    x = 8,042.40

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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.