Home / 25,847.33-38,739.70-11,788.10

Finding the Fourth Proportional to 25,847.33, 38,739.70 and 11,788.10

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Solution

The fourth proportional to 25,847.33, 38,739.70 and 11,788.10 is: 17,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.33 : 38,739.70 = 11,788.10 : x
  2. Step 2: Convert to fraction form
    25,847.33/38,739.70 = 11,788.10/x
  3. Step 3: Cross multiply
    25,847.33x = 38,739.70 × 11,788.10
  4. Step 4: Simplify right side
    25,847.33x = 456,667,204.93
  5. Step 5: Solve for x
    x = 456,667,204.93/25,847.33
  6. Step 6: Final answer
    x = 17,667.87

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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.