Home / 13,487.07-20,230.57-3,626.36

Finding the Fourth Proportional to 13,487.07, 20,230.57 and 3,626.36

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Solution

The fourth proportional to 13,487.07, 20,230.57 and 3,626.36 is: 5,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.07 : 20,230.57 = 3,626.36 : x
  2. Step 2: Convert to fraction form
    13,487.07/20,230.57 = 3,626.36/x
  3. Step 3: Cross multiply
    13,487.07x = 20,230.57 × 3,626.36
  4. Step 4: Simplify right side
    13,487.07x = 73,363,262.77
  5. Step 5: Solve for x
    x = 73,363,262.77/13,487.07
  6. Step 6: Final answer
    x = 5,439.53

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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.