Home / 12,885.44-19,327.22-4,000.52

Finding the Fourth Proportional to 12,885.44, 19,327.22 and 4,000.52

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Solution

The fourth proportional to 12,885.44, 19,327.22 and 4,000.52 is: 6,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.44 : 19,327.22 = 4,000.52 : x
  2. Step 2: Convert to fraction form
    12,885.44/19,327.22 = 4,000.52/x
  3. Step 3: Cross multiply
    12,885.44x = 19,327.22 × 4,000.52
  4. Step 4: Simplify right side
    12,885.44x = 77,318,813.52
  5. Step 5: Solve for x
    x = 77,318,813.52/12,885.44
  6. Step 6: Final answer
    x = 6,000.48

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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.