Home / 14,412.24-21,624.12-5,178.96

Finding the Fourth Proportional to 14,412.24, 21,624.12 and 5,178.96

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Solution

The fourth proportional to 14,412.24, 21,624.12 and 5,178.96 is: 7,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.24 : 21,624.12 = 5,178.96 : x
  2. Step 2: Convert to fraction form
    14,412.24/21,624.12 = 5,178.96/x
  3. Step 3: Cross multiply
    14,412.24x = 21,624.12 × 5,178.96
  4. Step 4: Simplify right side
    14,412.24x = 111,990,452.52
  5. Step 5: Solve for x
    x = 111,990,452.52/14,412.24
  6. Step 6: Final answer
    x = 7,770.51

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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.