Home / 12,885.89-19,322.33-4,564.73

Finding the Fourth Proportional to 12,885.89, 19,322.33 and 4,564.73

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Solution

The fourth proportional to 12,885.89, 19,322.33 and 4,564.73 is: 6,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.89 : 19,322.33 = 4,564.73 : x
  2. Step 2: Convert to fraction form
    12,885.89/19,322.33 = 4,564.73/x
  3. Step 3: Cross multiply
    12,885.89x = 19,322.33 × 4,564.73
  4. Step 4: Simplify right side
    12,885.89x = 88,201,099.99
  5. Step 5: Solve for x
    x = 88,201,099.99/12,885.89
  6. Step 6: Final answer
    x = 6,844.78

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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.