Home / 14,154.64-21,231.72-3,624.57

Finding the Fourth Proportional to 14,154.64, 21,231.72 and 3,624.57

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Solution

The fourth proportional to 14,154.64, 21,231.72 and 3,624.57 is: 5,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.64 : 21,231.72 = 3,624.57 : x
  2. Step 2: Convert to fraction form
    14,154.64/21,231.72 = 3,624.57/x
  3. Step 3: Cross multiply
    14,154.64x = 21,231.72 × 3,624.57
  4. Step 4: Simplify right side
    14,154.64x = 76,955,855.36
  5. Step 5: Solve for x
    x = 76,955,855.36/14,154.64
  6. Step 6: Final answer
    x = 5,436.79

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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.