Home / 17,123.20-25,684.76-6,451.55

Finding the Fourth Proportional to 17,123.20, 25,684.76 and 6,451.55

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Solution

The fourth proportional to 17,123.20, 25,684.76 and 6,451.55 is: 9,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.20 : 25,684.76 = 6,451.55 : x
  2. Step 2: Convert to fraction form
    17,123.20/25,684.76 = 6,451.55/x
  3. Step 3: Cross multiply
    17,123.20x = 25,684.76 × 6,451.55
  4. Step 4: Simplify right side
    17,123.20x = 165,706,497.40
  5. Step 5: Solve for x
    x = 165,706,497.40/17,123.20
  6. Step 6: Final answer
    x = 9,677.31

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1.5x scale

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.