Home / 13,399.24-18,497.30-8,930.44

Finding the Fourth Proportional to 13,399.24, 18,497.30 and 8,930.44

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Solution

The fourth proportional to 13,399.24, 18,497.30 and 8,930.44 is: 12,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.24 : 18,497.30 = 8,930.44 : x
  2. Step 2: Convert to fraction form
    13,399.24/18,497.30 = 8,930.44/x
  3. Step 3: Cross multiply
    13,399.24x = 18,497.30 × 8,930.44
  4. Step 4: Simplify right side
    13,399.24x = 165,189,027.81
  5. Step 5: Solve for x
    x = 165,189,027.81/13,399.24
  6. Step 6: Final answer
    x = 12,328.24

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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.