Home / 19,529.12-29,293.42-4,738.16

Finding the Fourth Proportional to 19,529.12, 29,293.42 and 4,738.16

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Solution

The fourth proportional to 19,529.12, 29,293.42 and 4,738.16 is: 7,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.12 : 29,293.42 = 4,738.16 : x
  2. Step 2: Convert to fraction form
    19,529.12/29,293.42 = 4,738.16/x
  3. Step 3: Cross multiply
    19,529.12x = 29,293.42 × 4,738.16
  4. Step 4: Simplify right side
    19,529.12x = 138,796,910.91
  5. Step 5: Solve for x
    x = 138,796,910.91/19,529.12
  6. Step 6: Final answer
    x = 7,107.18

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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.