Home / 12,755.01-19,123.29-8,584.68

Finding the Fourth Proportional to 12,755.01, 19,123.29 and 8,584.68

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Solution

The fourth proportional to 12,755.01, 19,123.29 and 8,584.68 is: 12,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.01 : 19,123.29 = 8,584.68 : x
  2. Step 2: Convert to fraction form
    12,755.01/19,123.29 = 8,584.68/x
  3. Step 3: Cross multiply
    12,755.01x = 19,123.29 × 8,584.68
  4. Step 4: Simplify right side
    12,755.01x = 164,167,325.20
  5. Step 5: Solve for x
    x = 164,167,325.20/12,755.01
  6. Step 6: Final answer
    x = 12,870.81

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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.