Home / 25,808.34-38,699.99-15,137.61

Finding the Fourth Proportional to 25,808.34, 38,699.99 and 15,137.61

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Solution

The fourth proportional to 25,808.34, 38,699.99 and 15,137.61 is: 22,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.34 : 38,699.99 = 15,137.61 : x
  2. Step 2: Convert to fraction form
    25,808.34/38,699.99 = 15,137.61/x
  3. Step 3: Cross multiply
    25,808.34x = 38,699.99 × 15,137.61
  4. Step 4: Simplify right side
    25,808.34x = 585,825,355.62
  5. Step 5: Solve for x
    x = 585,825,355.62/25,808.34
  6. Step 6: Final answer
    x = 22,699.07

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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.