Home / 13,149.42-19,723.32-5,358.03

Finding the Fourth Proportional to 13,149.42, 19,723.32 and 5,358.03

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Solution

The fourth proportional to 13,149.42, 19,723.32 and 5,358.03 is: 8,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.42 : 19,723.32 = 5,358.03 : x
  2. Step 2: Convert to fraction form
    13,149.42/19,723.32 = 5,358.03/x
  3. Step 3: Cross multiply
    13,149.42x = 19,723.32 × 5,358.03
  4. Step 4: Simplify right side
    13,149.42x = 105,678,140.26
  5. Step 5: Solve for x
    x = 105,678,140.26/13,149.42
  6. Step 6: Final answer
    x = 8,036.71

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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.