Home / 14,409.11-21,613.60-5,637.84

Finding the Fourth Proportional to 14,409.11, 21,613.60 and 5,637.84

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Solution

The fourth proportional to 14,409.11, 21,613.60 and 5,637.84 is: 8,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.11 : 21,613.60 = 5,637.84 : x
  2. Step 2: Convert to fraction form
    14,409.11/21,613.60 = 5,637.84/x
  3. Step 3: Cross multiply
    14,409.11x = 21,613.60 × 5,637.84
  4. Step 4: Simplify right side
    14,409.11x = 121,854,018.62
  5. Step 5: Solve for x
    x = 121,854,018.62/14,409.11
  6. Step 6: Final answer
    x = 8,456.73

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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.