Home / 14,601.90-20,151.18-8,231.02

Finding the Fourth Proportional to 14,601.90, 20,151.18 and 8,231.02

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Solution

The fourth proportional to 14,601.90, 20,151.18 and 8,231.02 is: 11,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.90 : 20,151.18 = 8,231.02 : x
  2. Step 2: Convert to fraction form
    14,601.90/20,151.18 = 8,231.02/x
  3. Step 3: Cross multiply
    14,601.90x = 20,151.18 × 8,231.02
  4. Step 4: Simplify right side
    14,601.90x = 165,864,765.60
  5. Step 5: Solve for x
    x = 165,864,765.60/14,601.90
  6. Step 6: Final answer
    x = 11,359.12

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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.