Home / 20,548.36-30,822.62-4,965.96

Finding the Fourth Proportional to 20,548.36, 30,822.62 and 4,965.96

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Solution

The fourth proportional to 20,548.36, 30,822.62 and 4,965.96 is: 7,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.36 : 30,822.62 = 4,965.96 : x
  2. Step 2: Convert to fraction form
    20,548.36/30,822.62 = 4,965.96/x
  3. Step 3: Cross multiply
    20,548.36x = 30,822.62 × 4,965.96
  4. Step 4: Simplify right side
    20,548.36x = 153,063,898.02
  5. Step 5: Solve for x
    x = 153,063,898.02/20,548.36
  6. Step 6: Final answer
    x = 7,448.96

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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.