Home / 13,935.48-20,890.26-4,699.32

Finding the Fourth Proportional to 13,935.48, 20,890.26 and 4,699.32

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Solution

The fourth proportional to 13,935.48, 20,890.26 and 4,699.32 is: 7,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.48 : 20,890.26 = 4,699.32 : x
  2. Step 2: Convert to fraction form
    13,935.48/20,890.26 = 4,699.32/x
  3. Step 3: Cross multiply
    13,935.48x = 20,890.26 × 4,699.32
  4. Step 4: Simplify right side
    13,935.48x = 98,170,016.62
  5. Step 5: Solve for x
    x = 98,170,016.62/13,935.48
  6. Step 6: Final answer
    x = 7,044.61

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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.