Home / 25,899.18-38,861.67-17,131.74

Finding the Fourth Proportional to 25,899.18, 38,861.67 and 17,131.74

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Solution

The fourth proportional to 25,899.18, 38,861.67 and 17,131.74 is: 25,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.18 : 38,861.67 = 17,131.74 : x
  2. Step 2: Convert to fraction form
    25,899.18/38,861.67 = 17,131.74/x
  3. Step 3: Cross multiply
    25,899.18x = 38,861.67 × 17,131.74
  4. Step 4: Simplify right side
    25,899.18x = 665,768,026.41
  5. Step 5: Solve for x
    x = 665,768,026.41/25,899.18
  6. Step 6: Final answer
    x = 25,706.14

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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.