Home / 13,654.56-20,483.64-4,890.48

Finding the Fourth Proportional to 13,654.56, 20,483.64 and 4,890.48

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Solution

The fourth proportional to 13,654.56, 20,483.64 and 4,890.48 is: 7,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.56 : 20,483.64 = 4,890.48 : x
  2. Step 2: Convert to fraction form
    13,654.56/20,483.64 = 4,890.48/x
  3. Step 3: Cross multiply
    13,654.56x = 20,483.64 × 4,890.48
  4. Step 4: Simplify right side
    13,654.56x = 100,174,831.75
  5. Step 5: Solve for x
    x = 100,174,831.75/13,654.56
  6. Step 6: Final answer
    x = 7,336.36

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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.