Home / 14,540.77-21,811.15-4,680.81

Finding the Fourth Proportional to 14,540.77, 21,811.15 and 4,680.81

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Solution

The fourth proportional to 14,540.77, 21,811.15 and 4,680.81 is: 7,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.77 : 21,811.15 = 4,680.81 : x
  2. Step 2: Convert to fraction form
    14,540.77/21,811.15 = 4,680.81/x
  3. Step 3: Cross multiply
    14,540.77x = 21,811.15 × 4,680.81
  4. Step 4: Simplify right side
    14,540.77x = 102,093,849.03
  5. Step 5: Solve for x
    x = 102,093,849.03/14,540.77
  6. Step 6: Final answer
    x = 7,021.21

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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.