Home / 14,605.78-21,909.44-4,744.33

Finding the Fourth Proportional to 14,605.78, 21,909.44 and 4,744.33

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Solution

The fourth proportional to 14,605.78, 21,909.44 and 4,744.33 is: 7,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.78 : 21,909.44 = 4,744.33 : x
  2. Step 2: Convert to fraction form
    14,605.78/21,909.44 = 4,744.33/x
  3. Step 3: Cross multiply
    14,605.78x = 21,909.44 × 4,744.33
  4. Step 4: Simplify right side
    14,605.78x = 103,945,613.48
  5. Step 5: Solve for x
    x = 103,945,613.48/14,605.78
  6. Step 6: Final answer
    x = 7,116.75

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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.