Home / 13,619.70-20,435.76-6,595.92

Finding the Fourth Proportional to 13,619.70, 20,435.76 and 6,595.92

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Solution

The fourth proportional to 13,619.70, 20,435.76 and 6,595.92 is: 9,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.70 : 20,435.76 = 6,595.92 : x
  2. Step 2: Convert to fraction form
    13,619.70/20,435.76 = 6,595.92/x
  3. Step 3: Cross multiply
    13,619.70x = 20,435.76 × 6,595.92
  4. Step 4: Simplify right side
    13,619.70x = 134,792,638.10
  5. Step 5: Solve for x
    x = 134,792,638.10/13,619.70
  6. Step 6: Final answer
    x = 9,896.89

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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.