Home / 19,494.63-29,250.60-7,179.75

Finding the Fourth Proportional to 19,494.63, 29,250.60 and 7,179.75

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Solution

The fourth proportional to 19,494.63, 29,250.60 and 7,179.75 is: 10,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.63 : 29,250.60 = 7,179.75 : x
  2. Step 2: Convert to fraction form
    19,494.63/29,250.60 = 7,179.75/x
  3. Step 3: Cross multiply
    19,494.63x = 29,250.60 × 7,179.75
  4. Step 4: Simplify right side
    19,494.63x = 210,011,995.35
  5. Step 5: Solve for x
    x = 210,011,995.35/19,494.63
  6. Step 6: Final answer
    x = 10,772.81

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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.