Home / 13,632.48-20,444.46-3,769.38

Finding the Fourth Proportional to 13,632.48, 20,444.46 and 3,769.38

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Solution

The fourth proportional to 13,632.48, 20,444.46 and 3,769.38 is: 5,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.48 : 20,444.46 = 3,769.38 : x
  2. Step 2: Convert to fraction form
    13,632.48/20,444.46 = 3,769.38/x
  3. Step 3: Cross multiply
    13,632.48x = 20,444.46 × 3,769.38
  4. Step 4: Simplify right side
    13,632.48x = 77,062,938.63
  5. Step 5: Solve for x
    x = 77,062,938.63/13,632.48
  6. Step 6: Final answer
    x = 5,652.89

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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.