Home / 14,213.12-19,614.28-8,245.04

Finding the Fourth Proportional to 14,213.12, 19,614.28 and 8,245.04

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Solution

The fourth proportional to 14,213.12, 19,614.28 and 8,245.04 is: 11,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.12 : 19,614.28 = 8,245.04 : x
  2. Step 2: Convert to fraction form
    14,213.12/19,614.28 = 8,245.04/x
  3. Step 3: Cross multiply
    14,213.12x = 19,614.28 × 8,245.04
  4. Step 4: Simplify right side
    14,213.12x = 161,720,523.17
  5. Step 5: Solve for x
    x = 161,720,523.17/14,213.12
  6. Step 6: Final answer
    x = 11,378.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.