Home / 19,609.85-29,414.50-4,818.63

Finding the Fourth Proportional to 19,609.85, 29,414.50 and 4,818.63

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Solution

The fourth proportional to 19,609.85, 29,414.50 and 4,818.63 is: 7,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.85 : 29,414.50 = 4,818.63 : x
  2. Step 2: Convert to fraction form
    19,609.85/29,414.50 = 4,818.63/x
  3. Step 3: Cross multiply
    19,609.85x = 29,414.50 × 4,818.63
  4. Step 4: Simplify right side
    19,609.85x = 141,737,517.45
  5. Step 5: Solve for x
    x = 141,737,517.45/19,609.85
  6. Step 6: Final answer
    x = 7,227.87

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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.