Home / 12,592.80-18,885.18-4,157.43

Finding the Fourth Proportional to 12,592.80, 18,885.18 and 4,157.43

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Solution

The fourth proportional to 12,592.80, 18,885.18 and 4,157.43 is: 6,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.80 : 18,885.18 = 4,157.43 : x
  2. Step 2: Convert to fraction form
    12,592.80/18,885.18 = 4,157.43/x
  3. Step 3: Cross multiply
    12,592.80x = 18,885.18 × 4,157.43
  4. Step 4: Simplify right side
    12,592.80x = 78,513,813.89
  5. Step 5: Solve for x
    x = 78,513,813.89/12,592.80
  6. Step 6: Final answer
    x = 6,234.82

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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.