Home / 13,898.48-20,850.54-4,539.32

Finding the Fourth Proportional to 13,898.48, 20,850.54 and 4,539.32

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Solution

The fourth proportional to 13,898.48, 20,850.54 and 4,539.32 is: 6,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.48 : 20,850.54 = 4,539.32 : x
  2. Step 2: Convert to fraction form
    13,898.48/20,850.54 = 4,539.32/x
  3. Step 3: Cross multiply
    13,898.48x = 20,850.54 × 4,539.32
  4. Step 4: Simplify right side
    13,898.48x = 94,647,273.23
  5. Step 5: Solve for x
    x = 94,647,273.23/13,898.48
  6. Step 6: Final answer
    x = 6,809.90

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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.