Home / 25,874.37-38,776.45-11,816.97

Finding the Fourth Proportional to 25,874.37, 38,776.45 and 11,816.97

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Solution

The fourth proportional to 25,874.37, 38,776.45 and 11,816.97 is: 17,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,874.37 : 38,776.45 = 11,816.97 : x
  2. Step 2: Convert to fraction form
    25,874.37/38,776.45 = 11,816.97/x
  3. Step 3: Cross multiply
    25,874.37x = 38,776.45 × 11,816.97
  4. Step 4: Simplify right side
    25,874.37x = 458,220,146.36
  5. Step 5: Solve for x
    x = 458,220,146.36/25,874.37
  6. Step 6: Final answer
    x = 17,709.42

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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.