Home / 25,456.16-38,179.84-6,736.40

Finding the Fourth Proportional to 25,456.16, 38,179.84 and 6,736.40

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Solution

The fourth proportional to 25,456.16, 38,179.84 and 6,736.40 is: 10,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.16 : 38,179.84 = 6,736.40 : x
  2. Step 2: Convert to fraction form
    25,456.16/38,179.84 = 6,736.40/x
  3. Step 3: Cross multiply
    25,456.16x = 38,179.84 × 6,736.40
  4. Step 4: Simplify right side
    25,456.16x = 257,194,674.18
  5. Step 5: Solve for x
    x = 257,194,674.18/25,456.16
  6. Step 6: Final answer
    x = 10,103.44

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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.