Home / 25,410.24-38,116.44-7,891.92

Finding the Fourth Proportional to 25,410.24, 38,116.44 and 7,891.92

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Solution

The fourth proportional to 25,410.24, 38,116.44 and 7,891.92 is: 11,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.24 : 38,116.44 = 7,891.92 : x
  2. Step 2: Convert to fraction form
    25,410.24/38,116.44 = 7,891.92/x
  3. Step 3: Cross multiply
    25,410.24x = 38,116.44 × 7,891.92
  4. Step 4: Simplify right side
    25,410.24x = 300,811,895.16
  5. Step 5: Solve for x
    x = 300,811,895.16/25,410.24
  6. Step 6: Final answer
    x = 11,838.22

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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.