Home / 19,538.24-29,313.44-5,687.36

Finding the Fourth Proportional to 19,538.24, 29,313.44 and 5,687.36

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Solution

The fourth proportional to 19,538.24, 29,313.44 and 5,687.36 is: 8,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.24 : 29,313.44 = 5,687.36 : x
  2. Step 2: Convert to fraction form
    19,538.24/29,313.44 = 5,687.36/x
  3. Step 3: Cross multiply
    19,538.24x = 29,313.44 × 5,687.36
  4. Step 4: Simplify right side
    19,538.24x = 166,716,086.12
  5. Step 5: Solve for x
    x = 166,716,086.12/19,538.24
  6. Step 6: Final answer
    x = 8,532.81

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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.