Home / 14,225.76-21,338.10-3,837.78

Finding the Fourth Proportional to 14,225.76, 21,338.10 and 3,837.78

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Solution

The fourth proportional to 14,225.76, 21,338.10 and 3,837.78 is: 5,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.76 : 21,338.10 = 3,837.78 : x
  2. Step 2: Convert to fraction form
    14,225.76/21,338.10 = 3,837.78/x
  3. Step 3: Cross multiply
    14,225.76x = 21,338.10 × 3,837.78
  4. Step 4: Simplify right side
    14,225.76x = 81,890,933.42
  5. Step 5: Solve for x
    x = 81,890,933.42/14,225.76
  6. Step 6: Final answer
    x = 5,756.52

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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.