Home / 25,650.34-38,487.68-17,764.99

Finding the Fourth Proportional to 25,650.34, 38,487.68 and 17,764.99

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Solution

The fourth proportional to 25,650.34, 38,487.68 and 17,764.99 is: 26,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.34 : 38,487.68 = 17,764.99 : x
  2. Step 2: Convert to fraction form
    25,650.34/38,487.68 = 17,764.99/x
  3. Step 3: Cross multiply
    25,650.34x = 38,487.68 × 17,764.99
  4. Step 4: Simplify right side
    25,650.34x = 683,733,198.52
  5. Step 5: Solve for x
    x = 683,733,198.52/25,650.34
  6. Step 6: Final answer
    x = 26,655.91

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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.