Home / 14,618.24-20,173.08-8,330.54

Finding the Fourth Proportional to 14,618.24, 20,173.08 and 8,330.54

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Solution

The fourth proportional to 14,618.24, 20,173.08 and 8,330.54 is: 11,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.24 : 20,173.08 = 8,330.54 : x
  2. Step 2: Convert to fraction form
    14,618.24/20,173.08 = 8,330.54/x
  3. Step 3: Cross multiply
    14,618.24x = 20,173.08 × 8,330.54
  4. Step 4: Simplify right side
    14,618.24x = 168,052,649.86
  5. Step 5: Solve for x
    x = 168,052,649.86/14,618.24
  6. Step 6: Final answer
    x = 11,496.09

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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.