Home / 18,459.08-25,464.66-12,082.86

Finding the Fourth Proportional to 18,459.08, 25,464.66 and 12,082.86

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Solution

The fourth proportional to 18,459.08, 25,464.66 and 12,082.86 is: 16,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.08 : 25,464.66 = 12,082.86 : x
  2. Step 2: Convert to fraction form
    18,459.08/25,464.66 = 12,082.86/x
  3. Step 3: Cross multiply
    18,459.08x = 25,464.66 × 12,082.86
  4. Step 4: Simplify right side
    18,459.08x = 307,685,921.73
  5. Step 5: Solve for x
    x = 307,685,921.73/18,459.08
  6. Step 6: Final answer
    x = 16,668.54

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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.