Home / 14,154.30-21,231.39-3,624.30

Finding the Fourth Proportional to 14,154.30, 21,231.39 and 3,624.30

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Solution

The fourth proportional to 14,154.30, 21,231.39 and 3,624.30 is: 5,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.30 : 21,231.39 = 3,624.30 : x
  2. Step 2: Convert to fraction form
    14,154.30/21,231.39 = 3,624.30/x
  3. Step 3: Cross multiply
    14,154.30x = 21,231.39 × 3,624.30
  4. Step 4: Simplify right side
    14,154.30x = 76,948,926.78
  5. Step 5: Solve for x
    x = 76,948,926.78/14,154.30
  6. Step 6: Final answer
    x = 5,436.43

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1.5x scale

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.