Home / 13,190.40-19,793.30-4,876.16

Finding the Fourth Proportional to 13,190.40, 19,793.30 and 4,876.16

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Solution

The fourth proportional to 13,190.40, 19,793.30 and 4,876.16 is: 7,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.40 : 19,793.30 = 4,876.16 : x
  2. Step 2: Convert to fraction form
    13,190.40/19,793.30 = 4,876.16/x
  3. Step 3: Cross multiply
    13,190.40x = 19,793.30 × 4,876.16
  4. Step 4: Simplify right side
    13,190.40x = 96,515,174.38
  5. Step 5: Solve for x
    x = 96,515,174.38/13,190.40
  6. Step 6: Final answer
    x = 7,317.08

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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.