Home / 14,255.41-21,369.15-7,933.30

Finding the Fourth Proportional to 14,255.41, 21,369.15 and 7,933.30

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Solution

The fourth proportional to 14,255.41, 21,369.15 and 7,933.30 is: 11,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.41 : 21,369.15 = 7,933.30 : x
  2. Step 2: Convert to fraction form
    14,255.41/21,369.15 = 7,933.30/x
  3. Step 3: Cross multiply
    14,255.41x = 21,369.15 × 7,933.30
  4. Step 4: Simplify right side
    14,255.41x = 169,527,956.85
  5. Step 5: Solve for x
    x = 169,527,956.85/14,255.41
  6. Step 6: Final answer
    x = 11,892.18

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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.