Home / 13,144.55-19,716.01-5,353.16

Finding the Fourth Proportional to 13,144.55, 19,716.01 and 5,353.16

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Solution

The fourth proportional to 13,144.55, 19,716.01 and 5,353.16 is: 8,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.55 : 19,716.01 = 5,353.16 : x
  2. Step 2: Convert to fraction form
    13,144.55/19,716.01 = 5,353.16/x
  3. Step 3: Cross multiply
    13,144.55x = 19,716.01 × 5,353.16
  4. Step 4: Simplify right side
    13,144.55x = 105,542,844.13
  5. Step 5: Solve for x
    x = 105,542,844.13/13,144.55
  6. Step 6: Final answer
    x = 8,029.40

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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.