Home / 13,267.92-18,309.60-7,299.60

Finding the Fourth Proportional to 13,267.92, 18,309.60 and 7,299.60

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Solution

The fourth proportional to 13,267.92, 18,309.60 and 7,299.60 is: 10,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.92 : 18,309.60 = 7,299.60 : x
  2. Step 2: Convert to fraction form
    13,267.92/18,309.60 = 7,299.60/x
  3. Step 3: Cross multiply
    13,267.92x = 18,309.60 × 7,299.60
  4. Step 4: Simplify right side
    13,267.92x = 133,652,687.50
  5. Step 5: Solve for x
    x = 133,652,687.50/13,267.92
  6. Step 6: Final answer
    x = 10,073.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.