Home / 25,608.90-38,418.48-10,817.76

Finding the Fourth Proportional to 25,608.90, 38,418.48 and 10,817.76

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Solution

The fourth proportional to 25,608.90, 38,418.48 and 10,817.76 is: 16,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.90 : 38,418.48 = 10,817.76 : x
  2. Step 2: Convert to fraction form
    25,608.90/38,418.48 = 10,817.76/x
  3. Step 3: Cross multiply
    25,608.90x = 38,418.48 × 10,817.76
  4. Step 4: Simplify right side
    25,608.90x = 415,601,896.20
  5. Step 5: Solve for x
    x = 415,601,896.20/25,608.90
  6. Step 6: Final answer
    x = 16,228.81

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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.