Home / 13,133.60-19,693.80-4,365.44

Finding the Fourth Proportional to 13,133.60, 19,693.80 and 4,365.44

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Solution

The fourth proportional to 13,133.60, 19,693.80 and 4,365.44 is: 6,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.60 : 19,693.80 = 4,365.44 : x
  2. Step 2: Convert to fraction form
    13,133.60/19,693.80 = 4,365.44/x
  3. Step 3: Cross multiply
    13,133.60x = 19,693.80 × 4,365.44
  4. Step 4: Simplify right side
    13,133.60x = 85,972,102.27
  5. Step 5: Solve for x
    x = 85,972,102.27/13,133.60
  6. Step 6: Final answer
    x = 6,545.97

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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.