Home / 25,795.86-38,690.34-11,740.74

Finding the Fourth Proportional to 25,795.86, 38,690.34 and 11,740.74

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Solution

The fourth proportional to 25,795.86, 38,690.34 and 11,740.74 is: 17,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.86 : 38,690.34 = 11,740.74 : x
  2. Step 2: Convert to fraction form
    25,795.86/38,690.34 = 11,740.74/x
  3. Step 3: Cross multiply
    25,795.86x = 38,690.34 × 11,740.74
  4. Step 4: Simplify right side
    25,795.86x = 454,253,222.45
  5. Step 5: Solve for x
    x = 454,253,222.45/25,795.86
  6. Step 6: Final answer
    x = 17,609.54

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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.