Home / 36,399.64-54,575.34-14,215.12

Finding the Fourth Proportional to 36,399.64, 54,575.34 and 14,215.12

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Solution

The fourth proportional to 36,399.64, 54,575.34 and 14,215.12 is: 21,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.64 : 54,575.34 = 14,215.12 : x
  2. Step 2: Convert to fraction form
    36,399.64/54,575.34 = 14,215.12/x
  3. Step 3: Cross multiply
    36,399.64x = 54,575.34 × 14,215.12
  4. Step 4: Simplify right side
    36,399.64x = 775,795,007.14
  5. Step 5: Solve for x
    x = 775,795,007.14/36,399.64
  6. Step 6: Final answer
    x = 21,313.26

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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.