Home / 30,252.96-45,382.68-9,192.96

Finding the Fourth Proportional to 30,252.96, 45,382.68 and 9,192.96

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Solution

The fourth proportional to 30,252.96, 45,382.68 and 9,192.96 is: 13,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.96 : 45,382.68 = 9,192.96 : x
  2. Step 2: Convert to fraction form
    30,252.96/45,382.68 = 9,192.96/x
  3. Step 3: Cross multiply
    30,252.96x = 45,382.68 × 9,192.96
  4. Step 4: Simplify right side
    30,252.96x = 417,201,161.93
  5. Step 5: Solve for x
    x = 417,201,161.93/30,252.96
  6. Step 6: Final answer
    x = 13,790.42

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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.