Home / 13,115.70-19,673.52-4,110.50

Finding the Fourth Proportional to 13,115.70, 19,673.52 and 4,110.50

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Solution

The fourth proportional to 13,115.70, 19,673.52 and 4,110.50 is: 6,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.70 : 19,673.52 = 4,110.50 : x
  2. Step 2: Convert to fraction form
    13,115.70/19,673.52 = 4,110.50/x
  3. Step 3: Cross multiply
    13,115.70x = 19,673.52 × 4,110.50
  4. Step 4: Simplify right side
    13,115.70x = 80,867,983.41
  5. Step 5: Solve for x
    x = 80,867,983.41/13,115.70
  6. Step 6: Final answer
    x = 6,165.74

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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.