Home / 13,416.72-18,524.04-11,995.80

Finding the Fourth Proportional to 13,416.72, 18,524.04 and 11,995.80

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Solution

The fourth proportional to 13,416.72, 18,524.04 and 11,995.80 is: 16,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.72 : 18,524.04 = 11,995.80 : x
  2. Step 2: Convert to fraction form
    13,416.72/18,524.04 = 11,995.80/x
  3. Step 3: Cross multiply
    13,416.72x = 18,524.04 × 11,995.80
  4. Step 4: Simplify right side
    13,416.72x = 222,210,679.03
  5. Step 5: Solve for x
    x = 222,210,679.03/13,416.72
  6. Step 6: Final answer
    x = 16,562.22

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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.